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    DBA_PART_TABLES

    Last Updated:2026-04-15 08:25:15  Updated
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    Purpose

    The DBA_PART_TABLES view displays the partitioning information of all partitioned tables accessible to the current user.

    Note

    This view is introduced since OceanBase Database V2.2.77.

    Related views

    • ALL_PART_TABLES

    • USER_PART_TABLES

    Columns

    Column
    Type
    Nullable?
    Description
    OWNER VARCHAR2(128) NO The owner of the partitioned table.
    TABLE_NAME VARCHAR2(128) NO The name of the partitioned table.
    PARTITIONING_TYPE VARCHAR2(9) NO The partitioning method. Valid values:
  • HASH
  • RANGE
  • LIST
  • SUBPARTITIONING_TYPE VARCHAR2(9) NO The subpartitioning method. Valid values:
  • HASH
  • RANGE
  • LIST
  • PARTITION_COUNT NUMBER NO The number of partitions in the partitioned table.
    DEF_SUBPARTITION_COUNT NUMBER NO The default number of subpartitions for a composite-partitioned table.
    PARTITIONING_KEY_COUNT NUMBER NO The number of partitioning keys.
    SUBPARTITIONING_KEY_COUNT NUMBER NO The number of subpartitioning keys for a composite-partitioned table.
    STATUS VARCHAR2(8) NO At present, this column is not supported and is NULL by default.
    DEF_TABLESPACE_NAME VARCHAR2(30) NO The name of the tablespace containing the partitioned table.
    DEF_PCT_FREE NUMBER NO At present, this column is not supported and is NULL by default.
    DEF_PCT_USED NUMBER NO At present, this column is not supported and is NULL by default.
    DEF_INI_TRANS NUMBER NO At present, this column is not supported and is NULL by default.
    DEF_MAX_TRANS NUMBER NO At present, this column is not supported and is NULL by default.
    DEF_INITIAL_EXTENT VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
    DEF_NEXT_EXTENT VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
    DEF_MIN_EXTENTS VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
    DEF_MAX_EXTENTS VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
    DEF_MAX_SIZE VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
    DEF_PCT_INCREASE VARCHAR2(40) NO At present, this column is not supported and is NULL by default.
    DEF_FREELISTS NUMBER NO At present, this column is not supported and is NULL by default.
    DEF_FREELIST_GROUPS NUMBER NO At present, this column is not supported and is NULL by default.
    DEF_LOGGING VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
    DEF_COMPRESSION VARCHAR2(8) NO Indicates whether compression is enabled.
    DEF_COMPRESS_FOR VARCHAR2(30) NO The compression method.
    DEF_BUFFER_POOL VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
    DEF_FLASH_CACHE VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
    DEF_CELL_FLASH_CACHE VARCHAR2(7) NO At present, this column is not supported and is NULL by default.
    REF_PTN_CONSTRAINT_NAME VARCHAR2(128) NO At present, this column is not supported and is NULL by default.
    INTERVAL VARCHAR2(1000) YES At present, this column is not supported and is NULL by default.
    AUTOLIST VARCHAR2(3) NO Indicates whether the local index is automatic list-partitioned. Valid values:
  • YES
  • NO
  • INTERVAL_SUBPARTITION VARCHAR2(1000) NO At present, this column is not supported and is NULL by default.
    AUTOLIST_SUBPARTITION VARCHAR2(3) NO At present, this column is not supported and is NULL by default.
    IS_NESTED VARCHAR2(3) NO At present, this column is not supported and is NULL by default.
    DEF_SEGMENT_CREATED VARCHAR2(4) NO At present, this column is not supported and is NULL by default.
    DEF_INDEXING VARCHAR2(3) NO The index attribute specified for the table. Valid values:
  • ON-INDEXING: ON is explicitly specified, or the index attribute is not specified.
  • OFF-INDEXING: The index attribute is disabled.
  • DEF_INMEMORY VARCHAR2(8) NO Indicates whether in-memory column store is used for partitions in the table. Valid values:
  • ENABLED: In-memory column store is enabled. This is the default value.
  • DISABLED: In-memory column store is disabled.
  • NONE: The parameter is not specified.
  • DEF_INMEMORY_PRIORITY VARCHAR2(8) NO The default priority padded by in-memory column store. Valid values:
  • LOW
  • MEDIUM
  • HIGH
  • CRITICAL
  • NONE
  • NULL
  • DEF_INMEMORY_DISTRIBUTE VARCHAR2(15) NO At present, this column is not supported and is NULL by default.
    DEF_INMEMORY_COMPRESSION VARCHAR2(17) NO The default compression level for in-memory column store. Valid values:
  • NO MEMCOMPRESS
  • FOR DML
  • FOR QUERY [ LOW | HIGH ]
  • FOR CAPACITY [ LOW | HIGH ]
  • AUTO
  • NULL
  • DEF_INMEMORY_DUPLICATE VARCHAR2(13) NO At present, this column is not supported and is NULL by default.
    DEF_READ_ONLY VARCHAR2(3) NO The default settings for new partitions. Valid values:
  • YES: The new partitions are read-only by default.
  • NO: The new partitions are read/write by default.
  • DEF_CELLMEMORY VARCHAR2(24) NO Indicates that new partitions in the parent table will inherit the default value of the CELLMEMORY property unless it is explicitly overridden.
    DEF_INMEMORY_SERVICE VARCHAR2(12) NO The way that in-memory column store is padded by default for table partitioning on various instances. Valid values:
  • DEFAULTPARALLEL_INSTANCE_GROUP: Data is padded on all instances specified by the initialization parameter. This is the default value. If this parameter is not set, data is padded for all instances.
  • NONE: Data is not padded for any instance.
  • ALL: Data is padded for all instances regardless of the settings of the initialization parameter PARALLEL_INSTANCE_GROUP.
  • USER_DEFINED: Data is padded only for instances where the user-defined service is active. The service name is saved in the DEF_INMEMORY_SERVICE_NAME column.
  • DEF_INMEMORY_SERVICE_NAME VARCHAR2(1000) NO The way that in-memory column store is padded by default for table partitioning on various instances. Valid values:
  • DEFAULTPARALLEL_INSTANCE_GROUP: Data is padded on all instances specified by the initialization parameter. This is the default value. If this parameter is not set, data is padded for all instances.
  • NONE: Data is not padded for any instance.
  • ALL: Data is padded for all instances regardless of the settings of the initialization parameter PARALLEL_INSTANCE_GROUP.
  • USER_DEFINED: Data is padded only for instances where the user-defined service is active. The service name is saved in the DEF_INMEMORY_SERVICE_NAME column.
  • AUTO VARCHAR2(3) NO Indicates whether the table is partitioned automatically. Valid values:
  • YES
  • NO
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