Overview of system views|V4.2.1| docs|Distributed Database

View name	Description
oceanbase.CDB_IND_COLUMNS	Displays the column information of index tables of all tenants.
oceanbase.CDB_INDEXES	Displays the index information of all tenants.
oceanbase.CDB_TABLES	Displays the table information of all tenants.
oceanbase.CDB_OB_TABLEGROUP_TABLES	Displays the associations between table groups and tables in the sys tenant. Tables not in a table group are not displayed.
oceanbase.CDB_TAB_COLS	Displays the column information of all tables and views of all tenants.
oceanbase.CDB_TAB_COLS_V$	Displays the column information of all tables and views of all tenants.
oceanbase.DBA_OB_TABLEGROUP_TABLES	Displays the associations between table groups and tables. Tables not in a table group are not displayed.
oceanbase.DBA_PART_KEY_COLUMNS	Displays the columns that are part of the partitioning key of all partitioned objects in the database.
oceanbase.DBA_SUBPART_KEY_COLUMNS	Displays the columns that are part of the subpartitioning key of all subpartitioned objects in the database.
oceanbase.CDB_OB_COLUMN_CHECKSUM_ERROR_INFO	Displays the information about checksum verification failures between index tables (including global indexes and local indexes) and primary tables.
oceanbase.CDB_OB_TABLE_LOCATIONS	Displays the locations of tables or partitions, including system tables, user tables, and index tables.
oceanbase.DBA_OB_TABLE_LOCATIONS	Displays the locations of tables or partitions, including system tables, user tables, and index tables.

View name	Description
oceanbase.DBA_OB_OUTLINES	Displays the outline information of execution plans for the current tenant.
oceanbase.DBA_OB_CONCURRENT_LIMIT_SQL	Displays the outline information of concurrency limits for the current tenant.
oceanbase.DBA_OB_OUTLINE_CONCURRENT_HISTORY	Displays the history of execution plans and concurrency limits for the current tenant.

View name	Description
oceanbase.CDB_OB_DATABASES	Displays the metadata of all tenants in the sys tenant.
oceanbase.CDB_OB_MAJOR_COMPACTION	Displays the global major compaction information of all tenants in the sys tenant.
oceanbase.CDB_OB_ZONE_MAJOR_COMPACTION	Displays the major compaction information of all zones of all tenants in the sys tenant.
oceanbase.DBA_OB_DATABASES	Displays the metadata of databases in the current tenant.
oceanbase.DBA_OB_MAJOR_COMPACTION	Displays the global major compaction information in the current tenant.
oceanbase.DBA_OB_ROOTSERVICE_EVENT_HISTORY	Displays the event history of the Root Service.
oceanbase.DBA_OB_SERVER_JOBS	Displays the related tasks of all OBServer nodes.
oceanbase.DBA_OB_SERVERS	Displays the information of all OBServer nodes.
oceanbase.DBA_OB_ZONE_MAJOR_COMPACTION	Displays the major compaction information of all zones in the current tenant.
oceanbase.DBA_OB_ZONES	Displays the information of all zones.
oceanbase.CDB_OB_FREEZE_INFO	Displays the version information generated by major compactions (major_freeze).
oceanbase.DBA_OB_FREEZE_INFO	Displays the version information generated by major compactions (major_freeze).

View name	Description
oceanbase.CDB_IND_PARTITIONS	Displays the partition information of index tables of all tenants.
oceanbase.CDB_PART_INDEXES	Displays the partition information of index tables of all tenants.
oceanbase.CDB_PART_TABLES	Displays the partition information of partitioned tables of all tenants.
oceanbase.CDB_SUBPARTITION_TEMPLATES	Displays the template-based subpartition information of partitioned tables of all tenants.
oceanbase.CDB_TAB_PARTITIONS	Displays the partition information of partitioned tables of all tenants.
oceanbase.CDB_TAB_SUBPARTITIONS	Displays the subpartition information of partitioned tables of all tenants.
oceanbase.DBA_IND_PARTITIONS	Displays the partition and subpartition information of indexes.
oceanbase.DBA_PART_INDEXES	Displays the partition information of all indexes.
oceanbase.DBA_PART_TABLES	Displays the partition information of user tables.
oceanbase.DBA_TAB_PARTITIONS	Displays the partition, storage, and statistics information of the multi-level partitions that the current user has access to.
oceanbase.DBA_TAB_SUBPARTITIONS	Displays the subpartition name, the table name, the partition name to which the subpartition belongs, the storage attributes, and the statistics generated by the `DBMS_STATS` package.
oceanbase.DBA_SUBPARTITION_TEMPLATES	Displays the descriptions of all subpartition templates.

View name	Description
oceanbase.CDB_OB_DEADLOCK_EVENT_HISTORY	Displays the history of deadlock events. This view displays the history of all tenants in the root tenant.
oceanbase.DBA_OB_DEADLOCK_EVENT_HISTORY	Displays the history of deadlock events. This view displays the history of deadlock events in the current tenant.
oceanbase.DBA_OB_SERVER_EVENT_HISTORY	Displays the event history of OBServer nodes.

View name	Description
oceanbase.CDB_OB_RESTORE_PROGRESS	Displays the progress of ongoing physical restore tasks.
oceanbase.CDB_OB_RESTORE_HISTORY	Displays the status of completed physical restore tasks.
oceanbase.CDB_OB_ARCHIVELOG_PIECE_FILES	Displays the status of pieces in backup sets.
oceanbase.CDB_OB_BACKUP_SET_FILES	Displays the status of files in backup sets.
oceanbase.CDB_OB_BACKUP_JOBS	Displays the backup jobs of all tenants in the cluster. A backup job record is generated after a backup task is initiated.
oceanbase.CDB_OB_BACKUP_JOB_HISTORY	Displays the backup job history of all tenants in the cluster.
oceanbase.CDB_OB_BACKUP_TASKS	Displays the backup tasks of all tenants in the cluster. A backup task record corresponds to a backup set. A one-to-one relationship exists between backup job records and backup task records.
oceanbase.CDB_OB_BACKUP_TASK_HISTORY	Displays the history of backup tasks of all tenants in the cluster.
oceanbase.DBA_OB_BACKUP_JOBS	Displays the backup jobs of the current tenant.
oceanbase.DBA_OB_BACKUP_JOB_HISTORY	Displays the backup job history of the current tenant.
oceanbase.DBA_OB_BACKUP_TASKS	Displays the backup task history of the current tenant.
oceanbase.DBA_OB_BACKUP_TASK_HISTORY	Displays the history of backup tasks.
oceanbase.DBA_OB_BACKUP_SET_FILES	Displays the status of files in backup sets.
oceanbase.DBA_OB_RESTORE_PROGRESS	Displays the restore tasks in progress.
oceanbase.DBA_OB_RESTORE_HISTORY	Displays the completed restore tasks.
oceanbase.DBA_OB_ARCHIVE_DEST	Displays the configurations of archive paths.
oceanbase.CDB_OB_ARCHIVE_DEST	Displays the configurations of archive paths.
oceanbase.CDB_OB_BACKUP_PARAMETER	Displays the backup parameters.
oceanbase.CDB_OB_BACKUP_DELETE_JOBS	Displays the progress of tenant-level backup deletion jobs.
oceanbase.CDB_OB_BACKUP_DELETE_JOB_HISTORY	Displays the history of completed backup deletion jobs.
oceanbase.CDB_OB_BACKUP_DELETE_TASKS	Displays the information about backup set/backup piece deletion tasks in progress.
oceanbase.CDB_OB_BACKUP_DELETE_TASK_HISTORY	Displays the history of completed backup set/backup piece deletion tasks.
oceanbase.CDB_OB_BACKUP_DELETE_POLICY	Displays the deletion policies for expired data and automatic deletion.
oceanbase.CDB_OB_BACKUP_STORAGE_INFO	Displays the information about backup destinations used for backup and restore.
oceanbase.CDB_OB_BACKUP_STORAGE_INFO_HISTORY	Displays the history of backup destinations used for backup and restore.
oceanbase.DBA_OB_BACKUP_STORAGE_INFO	Displays the information about backup destinations used for backup and restore.
oceanbase.DBA_OB_BACKUP_STORAGE_INFO_HISTORY	Displays the history of backup destinations used for backup and restore.
oceanbase.DBA_OB_BACKUP_DELETE_POLICY	Displays the deletion policies for expired data and automatic deletion.
oceanbase.DBA_OB_BACKUP_DELETE_JOBS	Displays the progress of tenant-level backup deletion jobs.
oceanbase.DBA_OB_BACKUP_DELETE_JOB_HISTORY	Displays the history of completed backup deletion jobs.
oceanbase.DBA_OB_BACKUP_DELETE_TASKS	Displays the information about backup set/backup piece deletion tasks in progress.
oceanbase.DBA_OB_BACKUP_DELETE_TASK_HISTORY	Displays the history of completed backup set/backup piece deletion tasks.
oceanbase.DBA_OB_ARCHIVELOG	Displays the status of log backup for each archive path.
oceanbase.DBA_OB_ARCHIVELOG_SUMMARY	Displays the status of all log backups in history and currently.
oceanbase.DBA_OB_ARCHIVELOG_PIECE_FILES	Displays the status of pieces in backup sets.
oceanbase.CDB_OB_ARCHIVELOG	Displays the status of log archiving for each archive path.
oceanbase.CDB_OB_ARCHIVELOG_SUMMARY	Displays the status of all log archivings in history and currently.
oceanbase.CDB_OB_RECOVER_TABLE_JOBS	Displays information about table-level restore jobs.
oceanbase.DBA_OB_RECOVER_TABLE_JOBS	Displays information about table-level restore jobs.
oceanbase.CDB_OB_IMPORT_TABLE_JOBS	Displays information about import jobs.
oceanbase.DBA_OB_IMPORT_TABLE_JOBS	Displays information about import jobs.
oceanbase.CDB_OB_IMPORT_TABLE_TASKS	Displays records of table-level cross-tenant import tasks.
oceanbase.DBA_OB_IMPORT_TABLE_TASKS	Displays records of table-level import tasks.
oceanbase.CDB_OB_RECOVER_TABLE_JOB_HISTORY	Displays the results of table-level restore jobs.
oceanbase.DBA_OB_RECOVER_TABLE_JOB_HISTORY	Displays the results of table-level restore jobs.
oceanbase.CDB_OB_IMPORT_TABLE_JOB_HISTORY	Displays the results of import jobs.
oceanbase.DBA_OB_IMPORT_TABLE_JOB_HISTORY	Displays the results of import jobs.
oceanbase.CDB_OB_IMPORT_TABLE_TASK_HISTORY	Displays the history of table-level cross-tenant import tasks.
oceanbase.DBA_OB_IMPORT_TABLE_TASK_HISTORY	Displays the history of table-level cross-tenant import tasks.

View name	Description
oceanbase.DBA_TAB_STATISTICS	Displays optimizer statistics for all tables in the database.
oceanbase.DBA_TAB_COL_STATISTICS	Displays column statistics and histograms for all tables in the database.
oceanbase.DBA_PART_COL_STATISTICS	Displays column statistics and histograms for all partitioned tables in the database.
oceanbase.DBA_SUBPART_COL_STATISTICS	Displays column statistics and histograms for all subpartitioned tables in the database.
oceanbase.DBA_TAB_HISTOGRAMS	Displays histograms for all columns in all tables in the database.
oceanbase.DBA_PART_HISTOGRAMS	Displays histogram endpoint data for all partitions of all partitioned tables in the database.
oceanbase.DBA_SUBPART_HISTOGRAMS	Displays histogram endpoint data for all subpartitions of all subpartitioned tables in the database.
oceanbase.DBA_TAB_STATS_HISTORY	Displays statistics history for all tables in the database.
oceanbase.DBA_IND_STATISTICS	Displays optimizer statistics for all indexes in the database.
oceanbase.DBA_TAB_MODIFICATIONS	Displays the modification information of all tables in the database since the last time statistics were collected for the tables.
oceanbase.CDB_TAB_COL_STATISTICS	Displays column-level statistics in the sys tenant.

View name	Description
oceanbase.DBA_OBJECTS	Displays all database objects in the database. The view definition is the same as that of ALL_OBJECTS.
oceanbase.CDB_OBJECTS	Displays the objects of all tenants in the sys tenant.
oceanbase.DBA_OB_TENANTS	Displays basic information about all tenants, including system tenants, user tenants, and meta tenants. You can filter the tenants by `TENANT_TYPE`.
oceanbase.DBA_OB_TENANT_JOBS	Displays information about tenant-level jobs.
oceanbase.CDB_OB_SYS_VARIABLES	Displays the system variables of all tenants in the sys tenant.

View name	Description
oceanbase.DBA_OB_RESOURCE_POOLS	Displays information about all resource pools of tenants.
oceanbase.DBA_OB_UNIT_JOBS	Displays information about all unit-related jobs.
oceanbase.DBA_OB_UNITS	Displays information about all units of tenants.
oceanbase.DBA_OB_UNIT_CONFIGS	Displays the specifications of all units of tenants.
oceanbase.DBA_OB_SEQUENCE_OBJECTS	Displays all sequences in the database.

View name	Description
oceanbase.CDB_IND_SUBPARTITIONS	Displays information about all index subpartitions in the database.
oceanbase.CDB_OB_LS_LOCATIONS	Displays the distribution of log stream (LS) replicas for all tenants.
oceanbase.CDB_OB_TABLEGROUPS	Displays the metadata of all table groups in the sys tenant, including the partition information of the table groups.
oceanbase.CDB_OB_TABLEGROUP_PARTITIONS	Displays the partition information of all partitioned table groups in the sys tenant.
oceanbase.CDB_OB_TABLEGROUP_SUBPARTITIONS	Displays the subpartition information of all partitioned table groups in the sys tenant.
oceanbase.CDB_OB_TABLET_TO_LS	Displays the tablet information and the LS to which each tablet belongs for all tenants in the sys tenant.
oceanbase.CDB_OB_TABLET_REPLICAS	Displays information about all tablet replicas in the current tenant. Each tablet replica is uniquely identified by the composite key: `<TENANT_ID, TABLET_ID, SVR_IP, SVR_PORT, LS_ID>`.
oceanbase.CDB_PART_KEY_COLUMNS	Displays the partitioning keys of all partitioned objects (partitioned tables and partitioned indexes) in all tenants.
oceanbase.CDB_SUBPART_KEY_COLUMNS	Displays the subpartitioning keys of all subpartitioned objects (subpartitioned tables and subpartitioned indexes) in all tenants.
oceanbase.DBA_IND_SUBPARTITIONS	Displays information about all index subpartitions in the database.
oceanbase.DBA_OB_TABLEGROUP_PARTITIONS	Displays the partition information of all partitioned table groups.
oceanbase.DBA_OB_TABLEGROUP_SUBPARTITIONS	Displays the subpartition information of all partitioned table groups.
oceanbase.DBA_OB_TABLEGROUPS	Displays the metadata of all table groups, including the partition information of the table groups.
oceanbase.DBA_OB_TABLET_REPLICAS	Displays information about all tablet replicas in the current tenant. Each tablet replica is uniquely identified by the composite key: `<TABLET_ID, SVR_IP, SVR_PORT, LS_ID>`.
oceanbase.DBA_OB_TABLET_TO_LS	Displays the tablet information and the LS to which each tablet belongs for all tenants in the sys tenant.
oceanbase.DBA_OB_LS_LOCATIONS	Displays the distribution of log stream (LS) replicas for the current tenant.
oceanbase.CDB_OB_TABLET_CHECKSUM_ERROR_INFO	Displays information about data inconsistencies between tablet replicas.
oceanbase.CDB_OB_LS	Displays the status and recovery progress of log streams.
oceanbase.DBA_OB_LS	Displays the status and recovery progress of log streams.
oceanbase.CDB_OB_LS_REPLICA_TASKS	Displays the replica-level disaster recovery tasks that are running.
oceanbase.CDB_OB_LS_REPLICA_TASK_HISTORY	Displays the execution history of disaster recovery tasks.
oceanbase.DBA_OB_LS_REPLICA_TASKS	Displays the replica-level disaster recovery tasks that are running.
oceanbase.DBA_OB_LS_REPLICA_TASK_HISTORY	Displays the execution history of disaster recovery tasks.

View name	Description
oceanbase.DBA_WR_SNAPSHOT	Displays the `SNAPSHOT` information of the current tenant.
oceanbase.CDB_WR_SNAPSHOT	Displays the `SNAPSHOT` information of all tenants.
oceanbase.DBA_WR_ACTIVE_SESSION_HISTORY	Displays the ASH data of the current tenant after it is persisted.
oceanbase.CDB_WR_ACTIVE_SESSION_HISTORY	Displays the ASH data of all tenants after it is persisted.
oceanbase.DBA_WR_STATNAME	Displays the names of the system statistics of the current tenant.
oceanbase.CDB_WR_STATNAME	Displays the names of the system statistics of all tenants.
oceanbase.DBA_WR_SYSSTAT	Displays the details of the system statistics of the current tenant.
oceanbase.CDB_WR_SYSSTAT	Displays the details of the system statistics of all tenants.
oceanbase.DBA_WR_CONTROL	Displays the configuration information related to WR.
oceanbase.CDB_WR_CONTROL	Displays the configuration information related to WR.

View name	Description
GV$OB_COMPACTION_PROGRESS	Displays the major compaction progress information of each OBServer node in the tenant.
GV$OB_COMPACTION_SUGGESTIONS	Displays suggestions for major compactions.
GV$OB_PROCESSLIST	Displays the session information of all OBServer nodes in the tenant.
GV$OB_COMPACTION_DIAGNOSE_INFO	Displays the diagnostic information of major compactions.
GV$OB_TABLET_COMPACTION_HISTORY	Displays the history information of tablet-level major compactions.
GV$OB_TABLET_COMPACTION_PROGRESS	Displays the progress information of tablet-level major compactions.
GV$OB_TRANSACTION_PARTICIPANTS	Displays the transaction participants of all OBServer nodes.
GV$SESSION_EVENT	Displays the wait events of sessions on all OBServer nodes in the cluster.
GV$SESSION_WAIT	Displays the name and duration of the current or last wait event of all sessions on all servers.
GV$SESSION_WAIT_HISTORY	Displays the details of the last 10 wait events of all sessions on all servers.
GV$SYSTEM_EVENT	Displays the tenant-level wait events in the cluster.
GV$SESSTAT	Displays the statistical events of sessions on all OBServer nodes.
GV$SYSSTAT	Displays the tenant-level statistical events on the current server.
GV$ACTIVE_SESSION_HISTORY	Displays the active session history.
V$ACTIVE_SESSION_HISTORY	Displays the active session history.
V$OB_COMPACTION_PROGRESS	Displays the major compaction progress information of each OBServer node in the tenant.
V$OB_COMPACTION_SUGGESTIONS	Displays suggestions for major compactions.
V$OB_PROCESSLIST	Displays the session information of the current OBServer node.
V$OB_COMPACTION_DIAGNOSE_INFO	Displays the diagnostic information of major compactions.
V$OB_TABLET_COMPACTION_HISTORY	Displays the history information of tablet-level major compactions.
V$OB_TABLET_COMPACTION_PROGRESS	Displays the progress information of tablet-level major compactions.
V$OB_TRANSACTION_PARTICIPANTS	Displays the transaction participants of all OBServer nodes.
V$STATNAME	Displays the definitions of all statistical events.
V$EVENT_NAME	Displays the definitions of all statistical events on the current OBServer node.
V$SESSION_WAIT	Displays the details of the current wait event of each session. According to the convention, each wait event has three parameters, and the values of the parameters are recorded.
V$SESSION_WAIT_HISTORY	Displays the details of the current wait event of each session and the last 10 wait events of the sessions.
V$SESSTAT	Displays the statistical events of sessions on the current OBServer node.
V$SYSSTAT	Displays the tenant-level statistical events on the current server.
V$SYSTEM_EVENT	Displays the tenant-level wait events.
GV$SESSION_LONGOPS	Displays the execution status and progress of DDL operations in the cluster.
V$SESSION_LONGOPS	Displays the execution status and progress of DDL operations on the current OBServer node.

View name	Description
GV$OB_DTL_INTERM_RESULT_MONITOR	Displays the monitoring information of the DTL intermediate result manager.
V$OB_DTL_INTERM_RESULT_MONITOR	Displays the monitoring information of the DTL intermediate result manager.

View name	Description
GV$OB_IO_CALIBRATION_STATUS	Displays the execution status of I/O calibration tasks.
V$OB_IO_CALIBRATION_STATUS	Displays the execution status of I/O calibration tasks.
GV$OB_IO_BENCHMARK	Displays the calibration data of disks used by the I/O module.
V$OB_IO_BENCHMARK	Displays the calibration data of disks used by the I/O module.

View name	Description
GV$OB_MEMORY	Displays memory statistics at the tenant level.
V$OB_MEMORY	Displays memory statistics at the tenant level.
GV$OB_MEMSTORE	Displays the memory usage of MemTables on all servers and all tenants.
V$OB_MEMSTORE	Displays the statistics of MemStores at the tenant level.
GV$OB_MEMSTORE_INFO	Displays the details of MemTables in all partitions of all tenants on all servers.
V$OB_MEMSTORE_INFO	Displays the details of MemTables in all partitions of all tenants on all servers.
GV$OB_SSTABLES	Displays the information about SSTables of a tenant.
V$OB_SSTABLES	Displays the information about SSTables of a tenant.
GV$OB_TENANT_MEMORY	Displays the memory usage of each tenant in a cluster.
V$OB_TENANT_MEMORY	Displays the memory usage of each tenant in the current observer process.

View name	Description
GV$OB_SESSION	Records information about all sessions created in servers.
V$OB_SESSION	Records information about sessions created in the current server.

View name	Description
GV$OB_PLAN_CACHE_STAT	Displays the overall status of each plan cache on all OBServer nodes of the current tenant.
V$OB_PLAN_CACHE_STAT	Records the overall status of each plan cache on all servers of the current tenant.
GV$OB_PLAN_CACHE_PLAN_STAT	Records the status of each cached object in the plan caches on all servers of the current tenant.
V$OB_PLAN_CACHE_PLAN_STAT	Records the status of each cached object in the plan cache on the current server.
GV$OB_PLAN_CACHE_PLAN_EXPLAIN	Displays the physical execution plans cached in all plan caches on all servers.
V$OB_PLAN_CACHE_PLAN_EXPLAIN	Displays the physical execution plans cached in the plan cache on the current server.
GV$OB_PS_STAT	Monitors the overall status of the PS cache, including the hit ratio, memory usage, and number of items in the cache.
V$OB_PS_STAT	Monitors the overall status of the PS cache, including the hit ratio, memory usage, and number of items in the cache.
GV$OB_PS_ITEM_INFO	Provides monitoring functionality for prepared statements. It contains basic information about all prepared statements in the PS cache.
V$OB_PS_ITEM_INFO	Provides monitoring functionality for prepared statements. It contains basic information about all prepared statements in the PS cache.
GV$OB_PX_TARGET_MONITOR	Displays the usage of PX threads on all OBServer nodes.
V$OB_PX_TARGET_MONITOR	Displays the usage of PX threads on the OBServer node.
GV$OB_SQL_AUDIT	Displays the source and execution status of each SQL request on all servers.
V$OB_SQL_AUDIT	Displays the source and execution status of each SQL request on the current server.
GV$SQL_PLAN_MONITOR	Displays the statistics of slow queries on all OBServer nodes from the plan level. Each slow query has a corresponding statistic record, and the trace information of the plan is recorded.
V$SQL_PLAN_MONITOR	Displays the statistics of operations in slow queries on the current server. Each operation has a corresponding statistic record.
V$SQL_MONITOR_STATNAME	Describes the meaning of the numbers in the `OTHERSTAT_X_ID` field of the `GV$SQL_PLAN_MONITOR` view.
GV$OB_FLT_TRACE_CONFIG	Displays diagnostic information for full-featured trace.

View name	Description
GV$OB_LOG_STAT	Displays the status of the PALF.
V$OB_LOG_STAT	Displays the status of the PALF.

View name	Description
GV$OB_RPC_OUTGOING	Statistics about RPC requests sent by all OBServer nodes.
GV$OB_RPC_INCOMING	Statistics about RPC requests received by all OBServer nodes.
V$OB_RPC_OUTGOING	Statistics about RPC data sent by all tenants on the OBServer node for different RPC packet codes.
V$OB_RPC_INCOMING	Statistics about RPC data received by different tenants on the OBServer node for different RPC packet codes.

View name	Description
GV$OB_KVCACHE	Displays the KVCACHE information on each OBServer node.
GV$OB_PARAMETERS	Displays the parameter information on all OBServer nodes in the tenant.
GV$OB_SERVER_SCHEMA_INFO	Displays the schema information on all servers.
GV$OB_SERVERS	Displays the information about all OBServer nodes.
GV$OB_UNITS	Displays the unit information on the OBServer node where the current tenant resides. System tenants can view the units of all OBServer nodes in the cluster.
V$OB_KVCACHE	Displays the KVCACHE information on each OBServer node.
V$OB_PARAMETERS	Displays the parameter information on the current OBServer node.
V$OB_SERVER_SCHEMA_INFO	Displays the schema information on all servers.
V$OB_SERVERS	Displays the information about the current OBServer node.
V$OB_UNITS	Displays the units of the current OBServer node.
GV$DML_STATS	Displays the DML information in the current user table.
V$DML_STATS	Displays the DML information in the current user table.
GV$OB_KV_CONNECTIONS	Displays the statistics of OBKV connections held by all servers.
V$OB_KV_CONNECTIONS	Displays the statistics of OBKV connections held by the current server.

View name	Description
GV$OB_MERGE_INFO	Displays statistics on minor compactions completed in the OceanBase cluster.
V$OB_MERGE_INFO	Displays statistics on minor compactions completed in the OceanBase cluster.

View name	Description
GV$OB_PX_WORKER_STAT	In parallel execution scenarios, displays the execution information of each thread.
V$OB_PX_WORKER_STAT	In parallel execution scenarios, displays the execution information of each thread.
GV$OB_TENANT_RUNTIME_INFO	Displays information about queue lengths and thread limits of tenant threads.
V$OB_TENANT_RUNTIME_INFO	Displays information about queue lengths and thread limits of tenant threads.

View name	Description
GV$SQL_WORKAREA	Statistics of all operators for which SQL automatic memory management was responsible.
GV$SQL_WORKAREA_ACTIVE	Information about the workareas of active operators.
GV$SQL_WORKAREA_HISTOGRAM	Statistics of all workareas, such as the number of times that data in the range of 1 MB to 2 MB was fully processed in memory and the number of one-pass operations.
GV$OB_SQL_WORKAREA_MEMORY_INFO	Queries overall statistics of SQL workareas, such as the maximum available memory, the current memory usage, and the memory held.
V$SQL_WORKAREA	Statistics of all operators for which SQL automatic memory management was responsible.
V$SQL_WORKAREA_ACTIVE	Information about the workareas of active operators.
V$SQL_WORKAREA_HISTOGRAM	Statistics of all workareas, such as the number of times that data in the range of 1 MB to 2 MB was fully processed in memory and the number of one-pass operations.
V$OB_SQL_WORKAREA_MEMORY_INFO	Queries overall statistics of SQL workareas, including the maximum available memory, the current memory usage, and the memory held.

View name	Description
V$OB_ENCRYPTED_TABLES	Displays the encryption status of tables with the encryption feature enabled.
V$ENCRYPTED_TABLESPACES	Displays the encryption status of tablespaces with the encryption feature enabled.

View name	Description
GV$LATCH	The latch information of all OBServer nodes in the cluster.
V$LATCH	The latch information of all OBServer nodes in the cluster.

View name	Description
mysql.help_topic	Works with the other three tables `mysql.help_category`, `mysql.help_relation`, and `mysql.help_keyword` to generate the Help command.
mysql.help_category	Works with the other three tables `mysql.help_relation`, `mysql.help_topic`, and `mysql.help_keyword` to generate the Help command.
mysql.help_keyword	Works with the other three tables `mysql.help_relation`, `mysql.help_topic`, and `mysql.help_category` to generate the Help command.
mysql.help_relation	Works with the other three tables `mysql.help_category`, `mysql.help_topic`, and `mysql.help_keyword` to generate the Help command.

View name	Description
oceanbase.DBA_SQL_PLAN_BASELINES	Displays the plan baselines of SQL statements in SPM.
oceanbase.DBA_SQL_MANAGEMENT_CONFIG	Displays the configuration parameters in SPM.

View name	Description
mysql.db	Displays database-level privilege information (VIRTUAL_TABLE).
mysql.user	Records user-level privilege information (VIRTUAL_TABLE).
information_schema.COLUMN_PRIVILEGES	Displays column privilege information.
information_schema.SCHEMA_PRIVILEGES	Describes database privilege information.
information_schema.TABLE_PRIVILEGES	Records table privilege information.
information_schema.USER_PRIVILEGES	Records user privilege information.

View name	Description
oceanbase.DBA_SCHEDULER_JOBS	Displays information about all scheduled jobs in the database.

View name	Description
mysql.proc	Displays information about stored procedures.
information_schema.ENGINES	Records information about storage engines.
information_schema.PARAMETERS	Provides information about parameters and return values of stored procedures.
information_schema.ROUTINES	Provides information about stored procedures.

View name	Description
mysql.time_zone	Displays time zone-related information (SYSTEM_VIEW).
mysql.time_zone_name	Records the names of time zones (SYSTEM_VIEW).
mysql.time_zone_transition	The `mysql.time_zone_transition` view records information about time zone transitions.
mysql.time_zone_transition_type	Provides information about time zone transition types (SYSTEM_VIEW).

View name	Description
information_schema.CHARACTER_SETS	Records the character sets supported by OceanBase Database.
information_schema.COLLATIONS	Records the collations for each character set.
information_schema.COLLATION_CHARACTER_SET_APPLICABILITY	Records the correspondences between character sets and collations.

View name	Description
information_schema.COLUMNS	Records information about columns.
information_schema.STATISTICS	Records information about indexes of tables.
information_schema.TABLES	Records information about tables.
information_schema.VIEWS	Records information about views.
information_schema.VIEW_TABLE_USAGE	Displays information about tables and views used in view definitions.
oceanbase.DBA_OB_TABLEGROUP_TABLES	Displays the relationship between table groups and tables. Tables not belonging to any table group are not displayed.
oceanbase.DBA_PART_KEY_COLUMNS	Displays the columns that are part of the partitioning key of all partitioned objects in the database.
oceanbase.DBA_SUBPART_KEY_COLUMNS	Displays the columns that are part of the subpartitioning key of all subpartitioned objects in the database.
oceanbase.DBA_OB_TABLE_LOCATIONS	Displays the locations of tables or partitions, including system tables, user tables, and index tables.

View	Description
oceanbase.DBA_OB_OUTLINES	Displays the outline information of execution plans for the current tenant.
oceanbase.DBA_OB_CONCURRENT_LIMIT_SQL	Displays the outline information of flow control rules for the current tenant.
oceanbase.DBA_OB_OUTLINE_CONCURRENT_HISTORY	Displays the history information of execution plans and flow control rules outlines for the current tenant.

View name	Description
information_schema.GLOBAL_STATUS	Records the global status information of OceanBase Database.
information_schema.GLOBAL_VARIABLES	Records the global variables.
information_schema.SCHEMATA	Records the metadata of the database.
oceanbase.DBA_OB_DATABASES	Displays the metadata of the tenant's databases.
oceanbase.DBA_OB_MAJOR_COMPACTION	Displays the global major compaction information of the tenant.
oceanbase.DBA_OB_ZONE_MAJOR_COMPACTION	Displays the major compaction information of each zone of the tenant.
oceanbase.DBA_OB_FREEZE_INFO	Displays the version information generated by major compactions (major_freeze).

View name	Description
information_schema.PARTITIONS	Records information about partitions.
oceanbase.DBA_IND_PARTITIONS	Displays information about the partitions and subpartitions of indexes.
oceanbase.DBA_PART_INDEXES	Displays information about the partitions of all partitioned indexes.
oceanbase.DBA_PART_TABLES	Displays partition information of user tables.
oceanbase.DBA_TAB_PARTITIONS	Displays the multi-partition information, storage parameters, and statistics of partitions that the current user has access to.
oceanbase.DBA_TAB_SUBPARTITIONS	Displays the names of subpartitions, the names of tables to which the subpartitions belong, and the names of the partitions to which the subpartitions belong. It also displays the storage attributes of subpartitions and the statistics generated by the `DBMS_STATS` package for subpartitions.
oceanbase.DBA_SUBPARTITION_TEMPLATES	Displays descriptions of all subpartition templates.

View name	Description
information_schema.PROCESSLIST	Provides information about running threads.

View name	Description
information_schema.CHECK_CONSTRAINTS	Displays the constraints on tables and columns when you execute the `CREATE TABLE` statement.
information_schema.KEY_COLUMN_USAGE	Records the key constraints on columns.
information_schema.REFERENTIAL_CONSTRAINTS	Displays the metadata of foreign key constraints.
information_schema.TABLE_CONSTRAINTS	Describes the constraints on tables.

View name	Description
information_schema.SESSION_STATUS	Records the status information of sessions, such as the number of current active connections and the uptime of the database.
information_schema.SESSION_VARIABLES	Records the variables of sessions.
oceanbase.DBA_OB_DEADLOCK_EVENT_HISTORY	Displays the history records of deadlocks. This view displays the history records of the current tenant in non-root tenants.

View name	Description
information_schema.CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS	Displays the number of failed login attempts for each user.

View name	Description
oceanbase.DBA_OB_BACKUP_JOBS	Displays the backup jobs of the current tenant.
oceanbase.DBA_OB_BACKUP_JOB_HISTORY	Displays the history of backup jobs of the current tenant.
oceanbase.DBA_OB_BACKUP_TASKS	Displays the backup tasks of the current tenant.
oceanbase.DBA_OB_BACKUP_TASK_HISTORY	Displays the history of backup tasks of the current tenant.
oceanbase.DBA_OB_BACKUP_SET_FILES	Displays the status of backup sets' files.
oceanbase.DBA_OB_RESTORE_PROGRESS	Displays the ongoing restore tasks.
oceanbase.DBA_OB_RESTORE_HISTORY	Displays the completed restore tasks.
oceanbase.DBA_OB_ARCHIVE_DEST	Displays the configurations of archive paths.
oceanbase.DBA_OB_BACKUP_STORAGE_INFO	Displays the information about backup destinations used for backup and restore in the tenant.
oceanbase.DBA_OB_BACKUP_STORAGE_INFO_HISTORY	Displays the historical information about backup destinations used for backup and restore in the tenant.
oceanbase.DBA_OB_BACKUP_DELETE_POLICY	Displays the cleanup policies configured for expiration cleanup and automatic cleanup in the tenant.
oceanbase.DBA_OB_BACKUP_DELETE_JOBS	Displays the execution progress of tenant-level backup deletion jobs.
oceanbase.DBA_OB_BACKUP_DELETE_JOB_HISTORY	Displays the history of executed backup deletion jobs in the tenant.
oceanbase.DBA_OB_BACKUP_DELETE_TASKS	Displays the information about backup_set or backup_piece deletion tasks being executed in the tenant.
oceanbase.DBA_OB_BACKUP_DELETE_TASK_HISTORY	Displays the history of completed backup_set or backup_piece deletion tasks in the tenant.
oceanbase.DBA_OB_ARCHIVELOG	Displays the status of log backup for each path.
oceanbase.DBA_OB_ARCHIVELOG_SUMMARY	Displays the status of all log backups in history and currently.
oceanbase.DBA_OB_ARCHIVELOG_PIECE_FILES	Displays the status of pieces in backup sets.
oceanbase.DBA_OB_RECOVER_TABLE_JOBS	Displays the information about table-level restore jobs.
oceanbase.DBA_OB_IMPORT_TABLE_JOBS	Displays the information about import jobs.
oceanbase.DBA_OB_IMPORT_TABLE_TASKS	Displays the records of table-level import jobs.
oceanbase.DBA_OB_RECOVER_TABLE_JOB_HISTORY	Displays the results of table-level restore jobs.
oceanbase.DBA_OB_IMPORT_TABLE_JOB_HISTORY	Displays the results of import jobs.
oceanbase.DBA_OB_IMPORT_TABLE_TASK_HISTORY	Displays the history of cross-tenant table-level import tasks.

View name	Description
oceanbase.DBA_TAB_STATISTICS	Displays optimizer statistics for all tables in the database.
oceanbase.DBA_TAB_COL_STATISTICS	Displays column statistics and histograms for all tables in the database.
oceanbase.DBA_PART_COL_STATISTICS	Displays column statistics and histograms for all partitioned tables in the database.
oceanbase.DBA_SUBPART_COL_STATISTICS	Displays column statistics and histograms for all subpartitioned tables in the database.
oceanbase.DBA_TAB_HISTOGRAMS	Displays histograms for all columns in all tables in the database.
oceanbase.DBA_PART_HISTOGRAMS	Displays histogram endpoint data (for each histogram) for all partitioned tables in the database.
oceanbase.DBA_SUBPART_HISTOGRAMS	Displays histogram endpoint data (for each histogram) for all subpartitioned tables in the database.
oceanbase.DBA_TAB_STATS_HISTORY	Displays table statistics history for all tables in the database.
oceanbase.DBA_IND_STATISTICS	Displays optimizer statistics for all indexes in the database.
oceanbase.DBA_TAB_MODIFICATIONS	Displays the modification information of all tables in the database since the last time statistics were collected for these tables.
information_schema.QUERY_RESPONSE_TIME	Displays data types (Histogram) such as the response time histogram for Prometheus monitoring.

View name	Description
oceanbase.DBA_OBJECTS	Displays all database objects in the database. The view definition is the same as that of ALL_OBJECTS.
oceanbase.DBA_OB_TENANTS	Displays basic information about all tenants, including system tenants, user tenants created by users, and meta tenants. You can filter the tenants by type using the `TENANT_TYPE` column.

View name	Description
oceanbase.DBA_OB_SEQUENCE_OBJECTS	Displays all sequences in the database.

View name	Description
oceanbase.DBA_IND_SUBPARTITIONS	Displays information about all index subpartitions in the database.
oceanbase.DBA_OB_TABLEGROUP_PARTITIONS	Displays the primary partitions of table groups.
oceanbase.DBA_OB_TABLEGROUP_SUBPARTITIONS	Displays the subpartitions of table groups.
oceanbase.DBA_OB_TABLEGROUPS	Displays metadata about table groups, including the partition information of table groups.
oceanbase.DBA_OB_TABLET_REPLICAS	Displays all tablet replicas in the tenant. Each tablet replica is uniquely identified by the joint key: `<TABLET_ID, SVR_IP, SVR_PORT, LS_ID>`.
oceanbase.DBA_OB_TABLET_TO_LS	Displays all tablets in the tenant and the log stream (LS) to which each tablet belongs.
oceanbase.DBA_OB_LS_LOCATIONS	Displays the distribution of log stream (LS) replicas in the tenant.
oceanbase.DBA_OB_LS_REPLICA_TASKS	Displays the ongoing replica-level disaster recovery tasks.
oceanbase.DBA_OB_LS_REPLICA_TASK_HISTORY	Displays the execution history of disaster recovery tasks.

View name	Description
oceanbase.DBA_WR_SNAPSHOT	Displays the `SNAPSHOT` information of the current tenant.
oceanbase.DBA_WR_ACTIVE_SESSION_HISTORY	Displays the ASH data of the current tenant after it is persisted.
oceanbase.DBA_WR_STATNAME	Displays the names of the system statistics of the current tenant.
oceanbase.DBA_WR_SYSSTAT	Displays the details of the system statistics of the current tenant.
oceanbase.DBA_WR_CONTROL	Displays the configuration information of WR.

View name	Description
GV$OB_COMPACTION_PROGRESS	Displays the major compaction progress information of the tenant on OBServer nodes.
GV$OB_COMPACTION_SUGGESTIONS	Displays suggestions for major compactions.
GV$OB_PROCESSLIST	Displays the session information on all OBServer nodes of the tenant.
GV$OB_COMPACTION_DIAGNOSE_INFO	Displays the diagnostic information of major compactions.
GV$OB_TABLET_COMPACTION_HISTORY	Displays the historical information of tablet-level major compactions.
GV$OB_TABLET_COMPACTION_PROGRESS	Displays the progress information of tablet-level major compactions.
GV$OB_TRANSACTION_PARTICIPANTS	Displays the transaction participants on all OBServer nodes.
GV$SESSION_EVENT	Displays the wait events at the session level on all OBServer nodes in the cluster.
GV$SESSION_WAIT	Displays the current or last wait event information of all sessions on all servers, including the name and duration of the wait event.
GV$SESSION_WAIT_HISTORY	Displays the information of the last 10 wait events of all sessions on all servers.
GV$SYSTEM_EVENT	Displays the tenant-level wait events in the cluster.
GV$SESSTAT	Displays the statistical events at the session level on all OBServer nodes.
GV$SYSSTAT	Displays the tenant-level statistical events on all servers.
GV$ACTIVE_SESSION_HISTORY	Displays the active session history.
V$ACTIVE_SESSION_HISTORY	Displays the active session history.
V$OB_COMPACTION_PROGRESS	Displays the major compaction progress information of the tenant on OBServer nodes.
V$OB_COMPACTION_SUGGESTIONS	Displays suggestions for major compactions.
V$OB_PROCESSLIST	Displays the session information on the current OBServer node.
V$OB_COMPACTION_DIAGNOSE_INFO	Displays the diagnostic information of major compactions.
V$OB_TABLET_COMPACTION_HISTORY	Displays the historical information of tablet-level major compactions.
V$OB_TABLET_COMPACTION_PROGRESS	Displays the progress information of tablet-level major compactions.
V$OB_TRANSACTION_PARTICIPANTS	Displays the transaction participants on all OBServer nodes.
V$STATNAME	Displays the definitions of all statistical events.
V$EVENT_NAME	Displays the definitions of all statistical events on the current OBServer node.
V$SESSION_WAIT	Displays the details of the current wait event of each session. According to the convention, each wait event has three parameters, and the values of these parameters are recorded.
V$SESSION_WAIT_HISTORY	Displays the details of the current wait event of each session and the last 10 wait events of each session.
V$SESSTAT	Displays the statistical events at the session level.
V$SYSSTAT	Displays the tenant-level statistical events on the current server.
V$SYSTEM_EVENT	Displays the tenant-level wait events.
GV$SESSION_LONGOPS	Displays the execution status and progress of DDL operations in the cluster.
V$SESSION_LONGOPS	Displays the execution status and progress of DDL operations on the current OBServer node.

View name	Description
GV$OB_DTL_INTERM_RESULT_MONITOR	Displays the monitoring information of the DTL intermediate result manager.
V$OB_DTL_INTERM_RESULT_MONITOR	Displays the monitoring information of the DTL intermediate result manager.

View name	Description
GV$OB_IO_CALIBRATION_STATUS	Displays the execution status of I/O calibration tasks.
V$OB_IO_CALIBRATION_STATUS	Displays the execution status of I/O calibration tasks.
GV$OB_IO_BENCHMARK	Displays the calibration data of disks used by the I/O module.
V$OB_IO_BENCHMARK	Displays the calibration data of disks used by the I/O module.

View name	Description
GV$OB_MEMORY	Displays memory statistics at the tenant level.
V$OB_MEMORY	Displays memory statistics at the tenant level.
GV$OB_MEMSTORE	Displays the memory usage of MemTables on all servers and tenants.
V$OB_MEMSTORE	Displays the statistics of MemStores at the tenant level.
GV$OB_MEMSTORE_INFO	Displays detailed information about MemTables in all partitions of all tenants on all servers.
V$OB_MEMSTORE_INFO	Displays detailed information about MemTables in all partitions of all tenants on all servers.
GV$OB_SSTABLES	Displays the SSTable information of a tenant.
V$OB_SSTABLES	Displays the SSTable information of a tenant.
GV$OB_TENANT_MEMORY	Displays the memory usage of each tenant in a cluster.
V$OB_TENANT_MEMORY	Displays the memory usage of each tenant in the current observer process.

View name	Description
GV$OB_SESSION	Queries information about all sessions created in all servers of the current tenant.
V$OB_SESSION	Queries information about the sessions created in the servers of the current tenant.

View name	Description
GV$OB_PLAN_CACHE_STAT	Displays the outline information of the current tenant, which is mainly used for outline migration.
V$OB_PLAN_CACHE_STAT	Records the overall status of each plan cache on all servers of the current tenant.
GV$OB_PLAN_CACHE_PLAN_STAT	Records the status of each cached object in the plan caches on all servers of the current tenant.
V$OB_PLAN_CACHE_PLAN_STAT	Records the status of each cached object in the plan cache on the current server.
GV$OB_PLAN_CACHE_PLAN_EXPLAIN	Displays the physical execution plans cached in all servers' plan caches.
V$OB_PLAN_CACHE_PLAN_EXPLAIN	Displays the physical execution plans cached in the plan cache on the current server.
GV$OB_PS_STAT	Monitors the overall status of the PS cache, including the hit rate, memory usage, and number of cached items.
V$OB_PS_STAT	Monitors the overall status of the PS cache, including the hit rate, memory usage, and number of cached items.
GV$OB_PS_ITEM_INFO	Provides monitoring functionality for prepared statements and contains basic information of all prepared statements in the PS cache.
V$OB_PS_ITEM_INFO	Provides monitoring functionality for prepared statements and contains basic information of all prepared statements in the PS cache.
GV$OB_PX_TARGET_MONITOR	Displays the usage of PX threads on all OBServer nodes.
V$OB_PX_TARGET_MONITOR	Displays the usage of PX threads on the current OBServer node.
GV$OB_SQL_AUDIT	Displays the source and execution status of each SQL request on all servers.
V$OB_SQL_AUDIT	Displays the source and execution status of each SQL request on the current server.
GV$SQL_PLAN_MONITOR	Displays the plan-level statistics of slow queries on all OBServer nodes. Each slow query has a corresponding statistic record, and the trace information of the plan is recorded.
V$SQL_PLAN_MONITOR	Displays the operation-level statistics of slow queries. Each operation has a corresponding statistic record.
V$SQL_MONITOR_STATNAME	Describes the meaning of the numbers in the `OTHERSTAT_X_ID` column of the `GV$SQL_PLAN_MONITOR` view.
GV$OB_FLT_TRACE_CONFIG	Displays diagnostic information for full-featured trace.

View name	Description
GV$OB_LOG_STAT	Displays the status of palf.
V$OB_LOG_STAT	Displays the status of palf.

View name	Description
GV$OB_RPC_OUTGOING	Statistics on RPCs sent on all OBServer nodes.
GV$OB_RPC_INCOMING	Statistics on RPC requests received on all OBServer nodes.
V$OB_RPC_OUTGOING	Statistics on RPC data sent by all tenants on the OBServer node for different RPC packet codes.
V$OB_RPC_INCOMING	Statistics on RPC data received by all tenants on the OBServer node for different RPC packet codes.

View name	Description
GV$OB_KVCACHE	Displays the KVCACHE information on each OBServer node.
GV$OB_PARAMETERS	Displays the parameter information on all OBServer nodes where the tenant resides.
GV$OB_SERVER_SCHEMA_INFO	Displays the schema information on all servers.
GV$OB_UNITS	Displays the unit information on the OBServer node where the tenant resides. System tenant users can view the units of all OBServer nodes in the cluster.
V$OB_KVCACHE	Displays the KVCACHE information on each OBServer node.
V$OB_PARAMETERS	Displays the parameter information on the current OBServer node.
V$OB_SERVER_SCHEMA_INFO	Displays the schema information on all servers.
V$OB_UNITS	Displays the unit information on the current OBServer node.
GV$DML_STATS	Displays the DML information in the current user table.
V$DML_STATS	Displays the DML information in the current user table.
GV$OB_KV_CONNECTIONS	Displays the statistics of OBKV connections on all servers.
V$OB_KV_CONNECTIONS	Displays the statistics of OBKV connections on the current server.

View name	Description
GV$OB_MERGE_INFO	Displays statistics on major compactions completed in the OceanBase cluster.
V$OB_MERGE_INFO	Displays statistics on major compactions completed in the OceanBase cluster.

View name	Description
GV$OB_PX_WORKER_STAT	Displays the execution information of each thread in parallel execution scenarios.
V$OB_PX_WORKER_STAT	Displays the execution information of each thread in parallel execution scenarios.

View name	Description
GV$SQL_WORKAREA	Statistics of the workareas of all operators for which SQL automatic memory management was responsible.
GV$SQL_WORKAREA_ACTIVE	Information about the workareas of active operators.
GV$SQL_WORKAREA_HISTOGRAM	Statistics of all workareas, such as the number of times that data in the range of 1 MB to 2 MB was fully processed in memory and the number of one-pass operations.
GV$OB_SQL_WORKAREA_MEMORY_INFO	Information about some overall statistics of SQL workareas, such as the maximum available memory, the current memory usage, and the memory held.
V$SQL_WORKAREA	Statistics of the workareas of all operators for which SQL automatic memory management was responsible.
V$SQL_WORKAREA_ACTIVE	Information about the workareas of active operators.
V$SQL_WORKAREA_HISTOGRAM	Statistics of all workareas, such as the number of times that data in the range of 1 MB to 2 MB was fully processed in memory and the number of one-pass operations.
V$OB_SQL_WORKAREA_MEMORY_INFO	Information about some overall statistics of SQL workareas, including the maximum available memory, the current memory usage, and the memory held.

View name	Description
V$OB_ENCRYPTED_TABLES	Displays the encryption status of tables with the encryption feature enabled.
V$ENCRYPTED_TABLESPACES	Displays the encryption status of tablespaces with the encryption feature enabled.

View name	Description
GV$LATCH	The latch information of all OBServer nodes in the cluster.
V$LATCH	The latch information of all OBServer nodes in the cluster.

View name	Description
ALL_ALL_TABLES	Displays the user's access to object and relational tables.
ALL_COL_COMMENTS	Displays the comments on all columns of the user's accessible views and tables.
ALL_TABLES	Displays all tables accessible to the user.
ALL_TAB_COLS	Displays all columns of the tables, views, and clusters accessible to the user.
ALL_TAB_COLUMNS	Displays all columns of the tables, views, and clusters accessible to the user.
ALL_TAB_COMMENTS	Displays the comments on the tables and views accessible to the user.
DBA_COL_COMMENTS	Displays the comments on all columns of all views and tables in the database.
DBA_TAB_COMMENTS	Displays the comments on all tables and views in the database.
USER_COL_COMMENTS	Displays the comments on all columns of the user's accessible views and tables.
USER_TAB_COMMENTS	Displays the comments on the tables and views accessible to the user.
DBA_OB_TABLEGROUP_TABLES	Displays the relationships between tables and table groups. Tables not belonging to any table group are not displayed.
DBA_TABLES	Displays all tables in the database.
DBA_ALL_TABLES	Displays the object and relational tables in the database. Its columns are the same as those in ALL_ALL_TABLES.
DBA_TABLESPACES	Displays all tablespaces in the database.
DBA_TAB_COLS	Displays all columns of all tables, views, and clusters in the database.
DBA_TAB_COLUMNS	Displays all columns of all tables, views, and clusters in the database.
USER_ALL_TABLES	Displays the user's access to object and relational tables, excluding the OWNER column. Other columns are the same as those in ALL_ALL_TABLES.
USER_TABLES	Displays all tables owned by the user.
USER_TABLESPACES	Displays the tablespaces accessible to the user. Its columns are the same as those in `DBA_TABLESPACES`, with the `PLUGGED_IN` column removed.
USER_TAB_COLS	Displays all columns of the tables, views, and clusters owned or accessible to the user.
USER_TAB_COLUMNS	Displays all columns of the tables, views, and clusters owned or accessible to the user.
ALL_VIEWS	Displays the views accessible to the user.
DBA_VIEWS	Displays all views in the database. Its columns are the same as those in `ALL_VIEWS`.
USER_VIEWS	Displays the views owned by the user.
DICTIONARY	Displays the descriptions of dictionary tables and views.
DICT	Displays the descriptions of dictionary tables and views.
DBA_OB_TABLE_LOCATIONS	Displays the locations of tables or partitions, including system tables, user tables, and index tables.

View name	Description
DBA_OB_OUTLINES	Displays the outline information of execution plans in the current tenant.
DBA_OB_CONCURRENT_LIMIT_SQL	Displays the outline-related information of flow control rules in the current tenant.
DBA_OB_OUTLINE_CONCURRENT_HISTORY	Displays the outline information of execution plans and flow control rules in the current tenant.

View name	Description
DBA_SQL_PLAN_BASELINES	Displays the plan baselines of SQL statements in SPM.
DBA_SQL_MANAGEMENT_CONFIG	Displays the configuration parameters in SPM.

View name	Description
DBA_CONTEXT	Displays all context namespaces in the database.
DBA_OB_DATABASES	Displays metadata of tenant databases.
DBA_OB_MAJOR_COMPACTION	Displays global major compaction information of the tenant.
DBA_OB_ZONE_MAJOR_COMPACTION	Displays major compaction information of each zone of the tenant.
ALL_OBJECTS	Displays all database objects that the user has access to.
DBA_OBJECTS	Displays all database objects in the database.
USER_OBJECTS	Displays all database objects owned by the user.
ALL_DEPENDENCIES	Displays the dependency relationships between all objects in the database.
DBA_DEPENDENCIES	Displays all dependency relationships between objects in the database.
USER_DEPENDENCIES	Displays the dependency relationships between objects in the user's schema.
DBA_OB_FREEZE_INFO	Displays version information generated by major compactions (major_freeze).

View name	Description
ALL_ARGUMENTS	Displays the parameters of the functions and procedures that the current user can access.
ALL_PROCEDURES	Displays all the functions and procedures that the current user can access, along with their attributes.
ALL_SOURCE	Displays the text sources of the storage objects that the current user can access.
DBA_ARGUMENTS	Displays the parameters of the functions and procedures available in the database. The columns are the same as those in the `ALL_ARGUMENTS` view.
DBA_PROCEDURES	Displays all the functions and procedures available in the database, along with their attributes. The columns are the same as those in the `ALL_PROCEDURES` view.
DBA_SOURCE	Displays the text sources of all the storage objects in the database. The columns are the same as those in the `ALL_SOURCE` view.
USER_ARGUMENTS	Displays the parameters of the functions and procedures that the current user owns. The columns are the same as those in the `ALL_ARGUMENTS` view, but without the `OWNER` column.
USER_PROCEDURES	Displays all the functions and procedures that the current user owns, along with their attributes. The columns are the same as those in the `ALL_PROCEDURES` view, but without the `OWNER` column.
USER_SOURCE	Displays the text sources of the storage objects that the current user owns. The columns are the same as those in the `ALL_SOURCE` view, but without the `OWNER` column.
DBA_JOBS	Displays a summary of the tasks that have been committed.
USER_JOBS	Displays a summary of the tasks that have been committed.
DBA_JOBS_RUNNING	Displays the running tasks.

View name	Description
DBA_OB_BACKUP_JOBS	Displays the backup jobs of the current tenant.
DBA_OB_BACKUP_JOB_HISTORY	Displays the history records of the backup jobs of the current tenant.
DBA_OB_BACKUP_TASKS	Displays the backup tasks of the current tenant.
DBA_OB_BACKUP_TASK_HISTORY	Displays the history records of the backup tasks of the current tenant.
DBA_OB_BACKUP_SET_FILES	Displays the status of the files in backup sets.
DBA_OB_RESTORE_PROGRESS	Displays the ongoing restore tasks.
DBA_OB_RESTORE_HISTORY	Displays the completed restore tasks.
DBA_OB_ARCHIVE_DEST	Displays the configurations of archive paths.
DBA_OB_BACKUP_STORAGE_INFO	Displays the information about backup destinations used for backup and restore in the tenant.
DBA_OB_BACKUP_STORAGE_INFO_HISTORY	Displays the historical information about backup destinations used for backup and restore in the tenant.
DBA_OB_BACKUP_DELETE_POLICY	Displays the cleanup strategies configured for automatic cleanup or expiration cleanup of backups in the tenant.
DBA_OB_BACKUP_DELETE_JOBS	Displays the execution progress of tenant-level backup cleanup jobs.
DBA_OB_BACKUP_DELETE_JOB_HISTORY	Displays the history information of backup cleanup jobs executed in the tenant.
DBA_OB_BACKUP_DELETE_TASKS	Displays the information about backup_set or backup_piece cleanup tasks being executed in the tenant.
DBA_OB_BACKUP_DELETE_TASK_HISTORY	Displays the historical information about backup_set or backup_piece cleanup tasks completed in the tenant.
DBA_OB_ARCHIVELOG	Displays the status of log backups for each path.
DBA_OB_ARCHIVELOG_SUMMARY	Displays the status of all log backups, both historical and current.
DBA_OB_ARCHIVELOG_PIECE_FILES	Displays the status of pieces in backup sets.
DBA_OB_BACKUP_PARAMETER	Displays the backup parameters.
DBA_OB_RECOVER_TABLE_JOBS	Displays information about table-level restore jobs.
DBA_OB_IMPORT_TABLE_JOBS	Displays information about import jobs.
DBA_OB_IMPORT_TABLE_TASKS	Displays records of table-level import jobs.
DBA_OB_RECOVER_TABLE_JOB_HISTORY	Displays the results of table-level restore jobs.
DBA_OB_IMPORT_TABLE_JOB_HISTORY	Displays the results of import jobs.
DBA_OB_IMPORT_TABLE_TASK_HISTORY	Displays the history records of cross-tenant table-level import jobs.

View name	Description
ALL_PART_COL_STATISTICS	Displays the column statistics and histograms of primary partitions of tables that the current user has access to.
ALL_PART_HISTOGRAMS	Displays the histograms of all primary partitions.
ALL_SUBPART_COL_STATISTICS	Displays the column statistics and histograms of subpartitions of tables that the current user has access to.
ALL_SUBPART_HISTOGRAMS	Displays the histograms of all subpartitions.
ALL_TAB_COL_STATISTICS	Displays the column statistics and histograms of tables that the current user has access to.
ALL_TAB_HISTOGRAMS	Displays the histograms of all tables.
ALL_TAB_STATISTICS	Displays the optimizer statistics of tables that the current user has access to.
DBA_PART_COL_STATISTICS	Displays the column statistics and histograms of primary partitions of partitions tables in the database.
DBA_PART_HISTOGRAMS	Displays the histograms of primary partitions of the database.
DBA_SUBPART_COL_STATISTICS	Displays the column statistics and histograms of subpartitions of partitioned tables in the database.
DBA_SUBPART_HISTOGRAMS	Displays the histograms of subpartitions of the database.
DBA_TAB_COL_STATISTICS	Displays the column statistics and histograms of all tables in the database.
DBA_TAB_HISTOGRAMS	Displays the histograms of all tables in the database.
DBA_TAB_STATISTICS	Displays the optimizer statistics of all tables in the database.
USER_PART_COL_STATISTICS	Displays the column statistics and histograms of primary partitions of partitioned tables that the current user owns.
USER_PART_HISTOGRAMS	Displays the histograms of primary partitions that the current user has access to.
USER_SUBPART_COL_STATISTICS	Displays the column statistics and histograms of subpartitions of partitioned tables that the current user owns.
USER_SUBPART_HISTOGRAMS	Displays the histograms of subpartitions that the current user has access to.
USER_TAB_COL_STATISTICS	Displays the column statistics and histograms of tables that the current user owns.
USER_TAB_HISTOGRAMS	Displays the histograms of tables that the current user has access to.
USER_TAB_STATISTICS	Displays the optimizer statistics of tables that the current user has access to.
ALL_TAB_STATS_HISTORY	Displays the modification history of table statistics of tables that the current user has access to.
DBA_TAB_STATS_HISTORY	Displays the modification history of table statistics of all tables in the database.
USER_TAB_STATS_HISTORY	Displays the modification history of table statistics of all tables owned by the current user.
ALL_IND_STATISTICS	Displays the optimizer statistics of indexes on tables that the current user has access to.
DBA_IND_STATISTICS	Displays the optimizer statistics of all indexes in the database.
USER_IND_STATISTICS	Displays the optimizer statistics of indexes on tables owned by the current user.
ALL_TAB_MODIFICATIONS	Displays the modification information of tables that the current user has access to since the last time statistics were collected on these tables.
DBA_TAB_MODIFICATIONS	Displays the modification information of all tables in the database since the last time statistics were collected on these tables.
USER_TAB_MODIFICATIONS	Displays the modification information of tables owned by the current user since the last time statistics were collected on these tables.

View name	Description
ALL_USERS	Displays all database users visible to the current user.
DBA_USERS	Displays all users of the database.
USER_USERS	Displays information about the current user.
ALL_COL_PRIVS	Displays the column privileges of the current user on objects that the user owns, that the user grants privileges on, or that have privileges granted to the user. Enabled roles or the PUBLIC role that the user belongs to are also displayed.
ALL_TAB_PRIVS	Displays the objects that the current user owns, on which the user grants privileges, or to which the user has privileges. Privileges on objects that have been granted to the PUBLIC role are also displayed.
DBA_COL_PRIVS	Displays all column privileges granted in the database.
DBA_SYS_PRIVS	Displays the system privileges granted to users and roles.
DBA_TAB_PRIVS	Displays all object privileges granted in the database.
USER_TAB_PRIVS	Displays the object privileges of the current user.
USER_COL_PRIVS	Displays the column privileges of the current user on objects that the user owns, that the user grants privileges on, or that have privileges granted to the user. The column privileges of enabled roles or the PUBLIC role that the user belongs to are also displayed.
USER_ROLE_PRIVS	Displays the roles granted to the current user.
USER_SYS_PRIVS	Displays the system privileges granted to the current user.
ROLE_TAB_PRIVS	Displays the table privileges granted to roles. Information is provided only about roles that the user can access.
ROLE_SYS_PRIVS	Displays the system privileges granted to roles.
ROLE_ROLE_PRIVS	Displays the roles that grant privileges to other roles. Information is provided only about roles that the user can access.
DBA_ROLE_PRIVS	Displays the roles granted to all users and the roles in the database.
DBA_ROLES	Displays all roles in the database.
ALL_DIRECTORIES	Displays all directories accessible to the current user.
DBA_DIRECTORIES	Displays all directories accessible to the current user.

View name	Description
ALL_CONSTRAINTS	Displays the constraints of all tables accessible to the user.
ALL_CONS_COLUMNS	Displays the columns of all constraints of all tables accessible to the user.
DBA_CONSTRAINTS	Displays the constraints of all tables in the database.
DBA_CONS_COLUMNS	Displays the columns of all constraints of all tables in the database.
USER_CONSTRAINTS	Displays the constraints of all tables owned by the user.
USER_CONS_COLUMNS	Displays the columns of all constraints of all tables owned by the user.

View name	Description
ALL_DEF_AUDIT_OPTS	Displays the default audit conditions for any object.
AUDIT_ACTIONS	Displays the action IDs and their corresponding names in audit records.
DBA_AUDIT_EXISTS	Displays the audit trail entries generated by the `AUDIT EXISTS` and `AUDIT NOT EXISTS` statements.
DBA_AUDIT_OBJECT	Displays the audit trail records of all objects in the database.
DBA_AUDIT_SESSION	Displays the audit trail records of all `CONNECT` and `DISCONNECT` statements.
DBA_AUDIT_STATEMENT	Displays the audit trail records of `GRANT`, `REVOKE`, `AUDIT`, `NOAUDIT`, and `ALTER SYSTEM` statements in the database.
DBA_AUDIT_TRAIL	Displays all audit trail entries.
DBA_OBJ_AUDIT_OPTS	Displays the details of object-level audit configurations.
DBA_STMT_AUDIT_OPTS	Displays the details of statement-level audit configurations.
STMT_AUDIT_OPTION_MAP	Displays the types, names, and priorities of statement-level audit options.
USER_AUDIT_OBJECT	Displays the audit trail records of objects that the current user has access to.
USER_AUDIT_SESSION	Displays the audit trail records of connection and disconnection statements of the current user.
USER_AUDIT_STATEMENT	Displays the audit trail entries of `GRANT`, `REVOKE`, `AUDIT`, `NOAUDIT`, and `ALTER SYSTEM` statements issued by the current user.
USER_AUDIT_TRAIL	Displays the standard audit trail entries related to the current user.

View name	Description
ALL_INDEXES	Displays the index columns of all tables that the user can access.
ALL_IND_COLUMNS	Displays the index columns of all tables that the user can access.
ALL_IND_EXPRESSIONS	Displays the information about function-based indexes that the user can access in the database.
ALL_IND_PARTITIONS	Displays the information about partitions of indexes that the user can access in the database.
ALL_IND_SUBPARTITIONS	Displays the information about subpartitions of all indexes that the user can access in the database.
ALL_PART_INDEXES	Displays the partition information of indexes that the user can access.
DBA_INDEXES	Displays the indexes of all tables in the database.
DBA_IND_COLUMNS	Displays the index columns of all tables in the database.
DBA_IND_EXPRESSIONS	Displays the information about all function-based indexes in the database.
DBA_IND_PARTITIONS	Displays the information about partitions of all indexes in the database.
DBA_IND_SUBPARTITIONS	Displays the information about subpartitions of all indexes in the database.
USER_INDEXES	Displays the indexes of all tables owned by the user.
USER_IND_COLUMNS	Displays the index columns of all tables owned by the user.
USER_IND_EXPRESSIONS	Displays the information about function-based indexes owned by the user in the database.
USER_IND_PARTITIONS	Displays the information about partitions of indexes owned by the user in the database. The `INDEX_OWNER` column is not included in the result set, compared with `ALL_IND_PARTITIONS` and `DBA_IND_PARTITIONS`.
USER_IND_SUBPARTITIONS	Displays the information about subpartitions of indexes owned by the user in the database. The `INDEX_OWNER` column is not included in the result set, compared with `DBA_IND_SUBPARTITIONS` and `ALL_IND_SUBPARTITIONS`.
USER_PART_INDEXES	Displays the partition information of indexes owned by the user.

View name	Description
ALL_PART_KEY_COLUMNS	Displays the columns that are part of the partitioning key of all partitioned objects that the user has access to.
ALL_PART_TABLES	Displays the partition information of partitioned tables that the user has access to.
ALL_SUBPART_TEMPLATES	Displays descriptions of all subpartition templates.
ALL_SUBPART_KEY_COLUMNS	Displays the columns that are part of the subpartitioning key of all partitioned objects that the user has access to.
ALL_TAB_PARTITIONS	Displays the multilevel partitioning information, storage parameters, and statistics of all partitioned tables.
ALL_TAB_SUBPARTITIONS	Displays the partition-level statistics, storage parameters, and statistics generated by the `DBMS_STATS` package for each subpartition of the tables that the user has access to.
DBA_PART_INDEXES	Displays the partition information of all partitioned indexes in the database.
DBA_PART_KEY_COLUMNS	Displays the columns that are part of the partitioning key of all partitioned objects in the database.
DBA_PART_TABLES	Displays the partition information of partitioned tables that the user has access to.
DBA_SUBPART_TEMPLATES	Displays descriptions of all subpartition templates.
DBA_SUBPART_KEY_COLUMNS	Displays the columns that are part of the subpartitioning key of all partitioned objects in the database.
DBA_TAB_PARTITIONS	Displays the multilevel partitioning information, storage parameters, and statistics of all partitioned tables that the user has access to.
DBA_TAB_SUBPARTITIONS	Displays the subpartition name, table name, partition name to which the subpartition belongs, storage attributes, and statistics generated by the `DBMS_STATS` package.
USER_PART_KEY_COLUMNS	Displays the columns that are part of the partitioning key of all partitioned objects that the user owns.
USER_PART_TABLES	Displays the partition information of partitioned tables that the user has access to.
USER_SUBPART_TEMPLATES	Displays descriptions of all subpartition templates.
USER_SUBPART_KEY_COLUMNS	Displays the columns that are part of the subpartitioning key of all partitioned objects that the user has access to.
USER_TAB_SUBPARTITIONS	Displays the subpartition name, table name, partition name to which the subpartition belongs, storage attributes, and statistics generated by the `DBMS_STATS` package for each subpartition of the tables that the user owns.
USER_TAB_PARTITIONS	Displays the multilevel partitioning information, storage parameters, and statistics of all partitioned tables that the user has access to.

View name	Description
DBA_OB_DEADLOCK_EVENT_HISTORY	Displays the history of deadlocks. This view displays the history of deadlocks in the current tenant if you query it in a non-root tenant.

View name	Description
ALL_SEQUENCES	Displays all sequences accessible to the user.
DBA_SEQUENCES	Displays all sequences in the database.
USER_SEQUENCES	Displays all sequences owned by the current user.
TENANT_VIRTUAL_GLOBAL_VARIABLE	Displays the information of global variables.
TENANT_VIRTUAL_SESSION_VARIABLE	Displays the information of session variables.

View name	Description
ALL_SYNONYMS	Displays all synonyms accessible to the user.
DBA_SYNONYMS	Displays all synonyms in the database.
USER_SYNONYMS	Displays the synonyms owned by the current user.

View name	Description
ALL_TRIGGERS	Displays the triggers and descriptions of the tables on which the current user has privileges. If the current user has the CREATE ANY TRIGGER privilege, the view displays the descriptions of all triggers in the database.
DBA_TRIGGERS	Displays all triggers in the database.
USER_TRIGGERS	Displays the triggers owned by the current user.

View name	Description
DBA_RECYCLEBIN	Displays information about all recycle bins in the database.
USER_RECYCLEBIN	Displays information about the recycle bins owned by the current user. The columns are the same as those in `DBA_RECYCLEBIN`, except for the `OWNER` column.

View name	Description
DBA_RSRC_GROUP_MAPPINGS	Displays the mappings between users and resource groups.
DBA_RSRC_CONSUMER_GROUPS	Displays information about all resource groups in the database.
DBA_RSRC_PLANS	Displays all system-defined resource management plans.
DBA_RSRC_PLAN_DIRECTIVES	Displays the details of resource plan directives for each resource group in the database.

View name	Description
NLS_DATABASE_PARAMETERS	Displays the NLS parameters at the database level (tenant level in OceanBase Database).
NLS_INSTANCE_PARAMETERS	Displays the NLS parameters at the instance level (tenant level).
NLS_SESSION_PARAMETERS	Displays the NLS parameters at the session level.

View name	Description
ALL_COLL_TYPES	Displays the user-defined collection types available in the database. The columns are the same as those in the `DBA_COLL_TYPES` view.
ALL_TYPES	Displays the user-defined types available in the database.
ALL_TYPE_ATTRS	Displays the attributes of the user-defined types available in the database.
DBA_COLL_TYPES	Displays the user-defined collection types available in the database. The columns are the same as those in the `ALL_COLL_TYPES` view.
DBA_TYPES	Displays the user-defined types available in the database.
DBA_TYPE_ATTRS	Displays the attributes of the user-defined types available in the database.
USER_COLL_TYPES	Displays the user-defined collection types available to the current user.
USER_TYPES	Displays the user-defined types of the current user.
USER_TYPE_ATTRS	Displays the attributes of the user-defined types available to the current user.

View name	Description
ALL_ERRORS	Displays errors for the storage objects that the user has access to.
DBA_ERRORS	Displays errors for the storage objects in the database.
USER_ERRORS	Displays errors for the storage objects that the user has access to.
DBA_SEGMENTS	Displays the storage information of all segments in the database.
USER_SEGMENTS	Displays the storage information of the segments of the objects under the user's account.

View name	Description
ALL_PROFILES	Displays all the profiles and the limitations of these profiles.
DBA_PROFILES	Displays all the profiles and the limitations of these profiles.
USER_PROFILES	Displays all the profiles and the limitations of these profiles.

View name	Description
DBA_OB_LS_LOCATIONS	Displays the distribution of log stream (LS) replicas in the current tenant.
DBA_OB_TABLEGROUPS	Displays the metadata of table groups, including their partition information.
DBA_OB_TABLEGROUP_PARTITIONS	Displays the partition information of partitions in table groups.
DBA_OB_TABLEGROUP_SUBPARTITIONS	Displays the subpartition information of partitions in table groups.
DBA_OB_TABLET_REPLICAS	Displays information about all tablet replicas in the current tenant. Each tablet replica is uniquely identified by the composite key: `<TABLET_ID, SVR_IP, SVR_PORT, LS_ID>`.
DBA_OB_TABLET_TO_LS	Displays the distribution of all tablets in the current tenant and the log stream to which each tablet belongs.
DBA_OB_LS	Displays the status and recovery progress of log streams.
DBA_OB_LS_REPLICA_TASKS	Displays the disaster recovery tasks running at the replica level.
DBA_OB_LS_REPLICA_TASK_HISTORY	Displays the execution history of disaster recovery tasks.

View name	Description
DBA_WR_SNAPSHOT	Displays the `SNAPSHOT` information of the current tenant.
DBA_WR_ACTIVE_SESSION_HISTORY	Displays the ASH data of the current tenant after it is persisted.
DBA_WR_STATNAME	Displays the names of the system statistics of the current tenant.
DBA_WR_SYSSTAT	Displays the details of the system statistics of the current tenant.
DBA_WR_CONTROL	Displays the configuration information related to WR.

View name	Description
DBA_SCHEDULER_JOBS	Displays the information about the scheduler jobs that the current user has access to.
DBA_SCHEDULER_PROGRAM	Displays all scheduler information in the database.
DBA_SCHEDULER_JOB_RUN_DETAILS	Displays the information about all scheduler jobs in the current tenant.

View name	Description
ALL_DB_LINKS	Displays all DBLINKs that the current user has access to.
DBA_DB_LINKS	Displays all DBLINKs created in the current tenant.
USER_DB_LINKS	Displays the DBLINKs created by the current user.

View name	Description
ALL_METHOD_PARAMS	Displays the parameters of methods that a user can access.
ALL_SCHEDULER_JOB_ARGS	Displays the parameters of scheduled jobs that a user can query.
ALL_SCHEDULER_PROGRAM_ARGS	Displays the parameters of schedulers that a user can query.
ALL_TYPE_METHODS	Displays the methods of object types that a user can access.
DBA_METHOD_PARAMS	Displays the parameters of methods of object types in a database.
DBA_SCHEDULER_JOB_ARGS	Displays the parameters of scheduled jobs in a database.
USER_SCHEDULER_JOB_ARGS	Displays the parameters of scheduled jobs owned by the current user.
DBA_SCHEDULER_PROGRAM_ARGS	Displays the parameters of schedulers in a database.
USER_SCHEDULER_PROGRAM_ARGS	Displays the parameters of schedulers owned by the current user.
DBA_TYPE_METHODS	Displays the methods of object types in a database.
USER_TYPE_METHODS	Displays the methods of object types that a user can access, excluding the OWNER column. The fields are the same as those in the ALL_TYPE_METHODS view.

View name	Description
GV$OB_KVCACHE	Displays the KVCACHE information of each OBServer node.
GV$OB_PARAMETERS	Displays the parameter information of all OBServer nodes where the tenant resides.
GV$OB_SERVER_SCHEMA_INFO	Displays the schema information on all servers.
V$OB_SERVER_SCHEMA_INFO	Displays the schema information on all servers.
GV$OB_UNITS	Displays the unit information on the OBServer node where the tenant resides. The system tenant can view the units of all OBServer nodes in the cluster.
GV$SYSSTAT	Displays the system-level statistical events on all servers.
GV$DML_STATS	Displays the DML information in the current user table.
V$DML_STATS	Displays the DML information in the current user table.
V$GLOBALCONTEXT	Displays the `CLIENT_IDENTIFIER` value of global context attributes accessible to the current session.
V$OB_KVCACHE	Displays the KVCACHE information of each OBServer node.
V$OB_PARAMETERS	Displays the parameter information on the OBServer node.
V$SYSSTAT	Displays the system-level statistical events on the current server.
V$OB_UNITS	Displays the units on the OBServer node.
V$VERSION	Displays the names and versions of all components of the database product.

View name	Description
GV$INSTANCE	Displays the status of the current database instance.
V$INSTANCE	Displays the status of the current database instance.

View name	Description
GV$OB_MEMORY	Displays the memory usage of each tenant on all servers.
GV$OB_MEMSTORE	Displays the memory usage of MemTables of all tenants on all servers.
GV$OB_SQL_WORKAREA_MEMORY_INFO	Provides information about the SQL Workarea, including the maximum available memory, the current memory usage, and the memory occupied by held data.
GV$OB_SSTABLES	Displays the SSTable information of tenants.
GV$OB_MEMSTORE_INFO	Displays the details of MemTables of all partitions of all tenants on all servers.
V$OB_MEMSTORE_INFO	Displays the details of MemTables of all partitions of all tenants on all servers.
V$OB_MEMORY	Displays the memory statistics of tenants.
V$OB_MEMSTORE	Displays the memory usage of MemTables of all tenants on the current server.
V$OB_SSTABLES	Displays the SSTable information of tenants.
GV$OB_TENANT_MEMORY	Displays the memory usage of each tenant in the cluster.
V$OB_TENANT_MEMORY	Displays the memory usage of each tenant in the current observer process.

View name	Description
GV$OB_PLAN_CACHE_PLAN_EXPLAIN	Displays the physical execution plans cached in the plan cache of all servers.
GV$OB_PLAN_CACHE_PLAN_STAT	Records the status of each cached object in the plan caches of all servers in the current tenant.
GV$OB_PLAN_CACHE_STAT	Records the overall status of each plan cache on all servers in the current tenant.
V$OB_PLAN_CACHE_PLAN_EXPLAIN	Displays the physical execution plans cached in the plan cache of the current server.
V$OB_PLAN_CACHE_PLAN_STAT	Records the status of each cached object in the plan cache on the current server in the current tenant.
V$OB_PLAN_CACHE_STAT	Records the overall status of each plan cache on all servers in the current tenant.
V$RSRC_PLAN	Displays the resource management plans of the current active tenant.

View name	Description
GV$OB_LOG_STAT	Displays the status of the PALF.
V$OB_LOG_STAT	Displays the status of the PALF.

View name	Description
GV$OB_PX_TARGET_MONITOR	Displays the usage of PX threads on all OBServer nodes.
GV$OB_PS_ITEM_INFO	Provides monitoring functionality for prepared statements and displays basic information about all prepared statements in the PS cache.
GV$OB_PS_STAT	Monitors the overall status of the PS cache, including the hit rate, memory usage, and number of cached items.
GV$OB_DTL_INTERM_RESULT_MONITOR	Displays the monitoring information of the DTL intermediate result manager.
V$OB_DTL_INTERM_RESULT_MONITOR	Displays the monitoring information of the DTL intermediate result manager.
V$OB_PX_TARGET_MONITOR	Displays the usage of PX threads on OBServer nodes.
V$OB_PS_ITEM_INFO	Provides monitoring functionality for prepared statements and displays basic information about all prepared statements in the PS cache.
V$OB_PS_STAT	Monitors the overall status of the PS cache, including the hit rate, memory usage, and number of cached items.
V$SQL_MONITOR_STATNAME	Displays the meaning of the numbers in the `OTHERSTAT_X_ID` column of the `GV$SQL_PLAN_MONITOR` view.

View name	Description
GV$OB_PROCESSLIST	Displays the session information of all OBServer nodes where the tenant resides.
GV$SESSION_WAIT	Displays information about the current or last wait event of all sessions on all servers, including the wait event name and the duration of the wait.
GV$SESSION_WAIT_HISTORY	Displays information about the last 10 wait events of all sessions on all servers.
GV$SESSTAT	Displays some statistics at the session level on all servers.
GV$ACTIVE_SESSION_HISTORY	Displays the active session history.
V$ACTIVE_SESSION_HISTORY	Displays the active session history.
V$NLS_PARAMETERS	View the NLS parameters at the session level.
V$OB_PROCESSLIST	Displays the session information of the current OBServer node.
V$SESSION_WAIT	Displays information about the current or last wait event of all sessions on the current server, including the wait event name and the duration of the wait.
V$SESSION_WAIT_HISTORY	Displays information about the last 10 wait events of all sessions on the current server.
V$SESSTAT	Displays some statistics at the session level.
V$EVENT_NAME	Displays the definitions of various events in the tenant.
GV$OB_SESSION	Queries the information about all sessions created in the current tenant across all servers.
V$OB_SESSION	Queries the information about all sessions created in the current tenant on servers.

View name	Description
GV$OB_SQL_AUDIT	Displays the source and execution status of each SQL request on all servers.
V$OB_SQL_AUDIT	Displays the source and execution status of each SQL request on the current server.
GV$SQL_PLAN_MONITOR	Displays the plan-level statistics of slow queries on all OBServer nodes. A statistics entry is generated for each slow query, and the trace information of the plan is recorded.
V$SQL_PLAN_MONITOR	Displays the plan-level statistics of slow queries on all OBServer nodes. A statistics entry is generated for each slow query, and the trace information of the plan is recorded.
GV$OB_FLT_TRACE_CONFIG	Displays diagnostic information for full-featured tracing.

View name	Description
GV$OB_PX_WORKER_STAT	In a parallel execution scenario, view the execution information of each thread.
V$OB_PX_WORKER_STAT	In a parallel execution scenario, view the execution information of each thread.

View name	Description
GV$SQL_WORKAREA	Statistics of workareas of all operators managed by SQL automatic memory management.
GV$SQL_WORKAREA_ACTIVE	Information about workareas of active operators.
GV$SQL_WORKAREA_HISTOGRAM	Statistics of all workareas.
V$OB_SQL_WORKAREA_MEMORY_INFO	Queries overall statistics of SQL workareas, including the maximum available memory, the current memory usage, and the current held memory.
V$SQL_WORKAREA	Statistics of workareas of all operators managed by SQL automatic memory management.
V$SQL_WORKAREA_ACTIVE	Information about workareas of active operators.
V$SQL_WORKAREA_HISTOGRAM	Statistics of all workareas.

View name	Description
GV$OB_COMPACTION_PROGRESS	Displays the major compaction progress information of the tenant on OBServer nodes.
GV$OB_COMPACTION_SUGGESTIONS	Displays suggestions for major compactions.
GV$OB_COMPACTION_DIAGNOSE_INFO	Displays diagnostic information about major compactions.
GV$OB_TABLET_COMPACTION_HISTORY	Displays the history of tablet-level major compactions.
GV$OB_TABLET_COMPACTION_PROGRESS	Displays the progress of tablet-level major compactions.
GV$OB_TRANSACTION_PARTICIPANTS	Displays the transaction participants on all OBServer nodes.
GV$SYSTEM_EVENT	Displays the wait events at the system level for the tenant on all servers, and statistics on the number of occurrences, the total wait time, and the number of timeouts for each event type.
GV$GLOBAL_TRANSACTION	Displays information about the active global transactions.
V$OB_COMPACTION_PROGRESS	Displays the major compaction progress information of the tenant on OBServer nodes.
V$OB_COMPACTION_SUGGESTIONS	Displays suggestions for major compactions.
V$OB_COMPACTION_DIAGNOSE_INFO	Displays diagnostic information about major compactions.
V$OB_TABLET_COMPACTION_HISTORY	Displays the history of tablet-level major compactions.
V$OB_TABLET_COMPACTION_PROGRESS	Displays the progress of tablet-level major compactions.
V$OB_TRANSACTION_PARTICIPANTS	Displays the transaction participants on all OBServer nodes.
V$SYSTEM_EVENT	Displays the wait events at the system level for the tenant on the current server, and statistics on the number of occurrences, the total wait time, and the number of timeouts for each event type.
V$GLOBAL_TRANSACTION	Displays information about the active global transactions.
GV$OB_GLOBAL_TRANSACTION	Displays information about all XA transactions in the cluster.
V$OB_GLOBAL_TRANSACTION	Displays information about all XA transactions that are initiated by the current node.

View name	Description
V$TIMEZONE_NAMES	Displays the names of effective time zones.

View name	Description
V$OB_ENCRYPTED_TABLES	Displays the encryption status of tables with the encryption feature enabled.
V$ENCRYPTED_TABLESPACES	Displays the encryption status of tablespaces with the encryption feature enabled.

View name	Description
GV$DBLINK	Displays all database links (`IN_TRANSACTION=YES`) opened after the query session on this view is opened. These database links must be committed or rolled back before they are closed.
V$DBLINK	Displays all database links (`IN_TRANSACTION=YES`) opened after the query session on this view is opened. These database links must be committed or rolled back before they are closed.

Overview of system views

Overview of views in the SYS tenant

Dictionary views overview

Tables and columns

Outline

Basic information about the databases

Partitioning

Session-related views

Views related to backup and restore

Statistics and histograms

Tenant-related

Resource-related

Views related to replicas and logs

WR-related views

Overview of the performance view

Event-related statistics

Monitoring-related statistics

I/O-related statistics

Cache-related statistics

Session-related views

SQL-related statistics views

Log-related statistics

Network-related statistics

Database-related statistics

Statistics on minor compactions

Statistics on threads

Workarea-related statistics

Statistics on encrypted tables

Statistics on transactions

Overview of views in a MySQL tenant

Dictionary views overview

Help command

SPM-related

Privilege-related

Scheduler

Storage-related

Time zone-related

Character sets

Tables and columns

Outline

Basic information about the database

Partition views

Threads

Constraints

Session related

User login related

Backup and restore-related

Statistics and histograms

Tenant-related

Resource-related

Views related to replicas and logs

WR-related views

Overview of the performance view

Event-related statistics

Monitoring-related statistics

I/O-related statistics

Cache-related statistics

Session-related views

SQL-related statistics

Log-related statistics

Network-related statistics

Database-related statistics

Statistics on major compactions

Statistics on threads

Workarea-related statistics

Statistics on encrypted tables

Statistics on transactions

Overview of views in an Oracle tenant

Dictionary view overview

Applicability

Table and view-related

Outline

SPM

Basic information about the database

Functions and procedures

Backup and restore-related

Statistics and histograms

Users and privileges

Views

Auditing