Purpose
The ALL_TABLES view displays all tables accessible to the current user.
Applicability
This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only MySQL mode.
Related views
DBA_TABLES
USER_TABLES
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| OWNER | VARCHAR2(128) | NO | The owner of the table. |
| TABLE_NAME | VARCHAR2(128) | NO | The name of the table. |
| TABLESPACE_NAME | VARCHAR2(30) | NO | The name of the tablespace containing the table. |
| CLUSTER_NAME | VARCHAR2(128) | NO | At present, this column is not supported and is NULL by default. |
| IOT_NAME | VARCHAR2(128) | NO | At present, this column is not supported and is NULL by default. |
| STATUS | VARCHAR2(8) | NO | The table status. Valid values: |
| PCT_FREE | NUMBER | NO | The minimum percentage of free space in a block. |
| PCT_USED | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| INI_TRANS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| MAX_TRANS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| INITIAL_EXTENT | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| NEXT_EXTENT | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| MIN_EXTENTS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| MAX_EXTENTS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| PCT_INCREASE | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| FREELISTS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| FREELIST_GROUPS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| LOGGING | VARCHAR2(3) | NO | At present, this column is not supported and is NULL by default. |
| BACKED_UP | VARCHAR2(1) | NO | At present, this column is not supported and is NULL by default. |
| NUM_ROWS | NUMBER | NO | The number of rows in the table. |
| BLOCKS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| EMPTY_BLOCKS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| AVG_SPACE | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| CHAIN_CNT | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| AVG_ROW_LEN | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| AVG_SPACE_FREELIST_BLOCKS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| NUM_FREELIST_BLOCKS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| DEGREE | VARCHAR2(10) | NO | At present, this column is not supported and is NULL by default. |
| INSTANCES | VARCHAR2(10) | NO | At present, this column is not supported and is NULL by default. |
| CACHE | VARCHAR2(5) | NO | At present, this column is not supported and is NULL by default. |
| TABLE_LOCK | VARCHAR2(8) | NO | At present, this column is not supported and is NULL by default. |
| SAMPLE_SIZE | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| LAST_ANALYZED | DATE | NO | At present, this column is not supported and is NULL by default. |
| PARTITIONED | VARCHAR2(3) | NO | Indicates whether the table is partitioned. Valid values: |
| IOT_TYPE | VARCHAR2(12) | NO | At present, this column is not supported and is NULL by default. |
| TEMPORARY | VARCHAR2(1) | NO | Indicates whether the table is a temporary table. |
| SECONDARY | VARCHAR2(1) | NO | At present, this column is not supported and is NULL by default. |
| NESTED | VARCHAR2(3) | NO | Indicates whether the table is a nested table. Valid values: |
| BUFFER_POOL | VARCHAR2(7) | NO | At present, this column is not supported and is NULL by default. |
| FLASH_CACHE | VARCHAR2(7) | NO | At present, this column is not supported and is NULL by default. |
| CELL_FLASH_CACHE | VARCHAR2(7) | NO | At present, this column is not supported and is NULL by default. |
| ROW_MOVEMENT | VARCHAR2(8) | NO | At present, this column is not supported and is NULL by default. |
| GLOBAL_STATS | VARCHAR2(3) | NO | At present, this column is not supported and is NULL by default. |
| USER_STATS | VARCHAR2(3) | NO | At present, this column is not supported and is NULL by default. |
| DURATION | VARCHAR2(15) | NO | The duration of a temporary table. |
| SKIP_CORRUPT | VARCHAR2(8) | NO | At present, this column is not supported and is NULL by default. |
| MONITORING | VARCHAR2(3) | NO | At present, this column is not supported and is NULL by default. |
| CLUSTER_OWNER | VARCHAR2(128) | NO | At present, this column is not supported and is NULL by default. |
| DEPENDENCIES | VARCHAR2(8) | NO | At present, this column is not supported and is NULL by default. |
| COMPRESSION | VARCHAR2(8) | NO | At present, this column is not supported and is NULL by default. |
| COMPRESS_FOR | VARCHAR2(30) | NO | At present, this column is not supported and is NULL by default. |
| DROPPED | VARCHAR2(3) | NO | Indicates whether the table has been dropped and moved to the recycle bin. |
| READ_ONLY | VARCHAR2(3) | NO | At present, this column is not supported and is NULL by default. |
| SEGMENT_CREATED | VARCHAR2(3) | NO | At present, this column is not supported and is NULL by default. |
| RESULT_CACHE | VARCHAR2(7) | NO | At present, this column is not supported and is NULL by default. |
| CLUSTERING | VARCHAR2(3) | NO | Indicates whether the table has attribute clustering clauses. Valid values: |
| ACTIVITY_TRACKING | VARCHAR2(23) | NO | Indicates whether heatmap tracking is enabled on the table. |
| DML_TIMESTAMP | VARCHAR2(25) | NO | The time when the automatic data optimization policy was created or modified. |
| HAS_IDENTITY | VARCHAR2(3) | NO | Indicates whether the table has an identifier column. Valid values: |
| CONTAINER_DATA | VARCHAR2(3) | NO | Indicates whether the table contains container-specific data. Valid values: |
| INMEMORY | VARCHAR2(8) | NO | Indicates whether in-memory column store is enabled for the table. Valid values: |
| INMEMORY_PRIORITY | VARCHAR2(8) | NO | The padding priority of the in-memory column store. Valid values: |
| INMEMORY_DISTRIBUTE | VARCHAR2(15) | NO | At present, this column is not supported and is NULL by default. |
| INMEMORY_COMPRESSION | VARCHAR2(17) | NO | The compression level for in-memory column store. Valid values: This value is based on the location of the middle section of the table. For example, if the table is partitioned and in-memory column store is enabled, the value for ALL_TABLES is NULL and the value for ALL_TAB_SUBPARTITIONS is not NULL. |
| INMEMORY_DUPLICATE | VARCHAR2(13) | NO | At present, this column is not supported and is NULL by default. |
| DEFAULT_COLLATION | VARCHAR2(100) | NO | The default sorting rule of the table. |
| DUPLICATED | VARCHAR2(1) | NO | Indicates whether the table is duplicated on this shard. Valid values: |
| SHARDED | VARCHAR2(1) | NO | Indicates whether the table is sharded. Valid values: |
| EXTERNALLY_SHARDED | VARCHAR2(1) | NO | Indicates whether the table involves an external shard. Valid values: |
| EXTERNALLY_DUPLICATED | VARCHAR2(1) | NO | Indicates whether the table involves an external duplicate. Valid values: |
| EXTERNAL | VARCHAR2(3) | NO | Indicates whether the table is an external table. Valid values: |
| HYBRID | VARCHAR2(3) | NO | Indicates whether the table is a hybrid partitioned table. Valid values: A hybrid partition table can contain both partitions stored in a segment and partitions stored externally. |
| CELLMEMORY | VARCHAR2(24) | NO | At present, this column is not supported and is NULL by default. |
| CONTAINERS_DEFAULT | VARCHAR2(3) | NO | Indicates whether CONTAINERS() is enabled for the table by default. Valid values: |
| CONTAINER_MAP | VARCHAR2(3) | NO | Indicates whether the table is enabled and used together with the database attribute container_map. Valid values: |
| EXTENDED_DATA_LINK | VARCHAR2(3) | NO | Indicates whether obtaining extended data links from the root is enabled for the table. Valid values: |
| EXTENDED_DATA_LINK_MAP | VARCHAR2(3) | NO | For internal use only. |
| INMEMORY_SERVICE | VARCHAR2(12) | NO | The default value is NULL. |
| INMEMORY_SERVICE_NAME | VARCHAR2(1000) | NO | The default value is NULL. |
| CONTAINER_MAP_OBJECT | VARCHAR2(3) | NO | The default value is NULL. |
| MEMOPTIMIZE_READ | VARCHAR2(8) | NO | The default value is NULL. |
| MEMOPTIMIZE_WRITE | VARCHAR2(8) | NO | For internal use only. |
| HAS_SENSITIVE_COLUMN | VARCHAR2(3) | NO | The default value is NULL. |
| ADMIT_NULL | VARCHAR2(3) | NO | The default value is NULL. |
| DATA_LINK_DML_ENABLED | VARCHAR2(3) | NO | The default value is NULL. |
| LOGICAL_REPLICATION | VARCHAR2(8) | NO | The default value is NULL. |