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SQL - V4.4.2

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    oceanbase.CDB_TABLES

    Last Updated:2026-04-14 03:51:52  Updated
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    Note

    This view is available starting with V4.0.0.

    Purpose

    This view displays the TABLE information for all tenants.

    Columns

    Column Type Nullable Description
    CON_ID bigint(20) NO Tenant ID
    OWNER varchar(128) NO The owner of the table
    TABLE_NAME varchar(128) NO The name of the table
    TABLESPACE_NAME varchar(30) NO The name of the tablespace that contains the table
    CLUSTER_NAME varchar(128) NO This column is not supported. It is set to NULL by default.
    IOT_NAME varchar(128) NO This column is not supported. It is set to NULL by default.
    STATUS varchar(8) NO The status of the table. Valid values:
    • VALID
    • UNUSABLE
    PCT_FREE bigint(20) NO The minimum percentage of free space in a block
    PCT_USED bigint(0) NO This column is not supported. It is set to NULL by default.
    INI_TRANS bigint(0) NO This column is not supported. It is set to NULL by default.
    MAX_TRANS bigint(0) NO This column is not supported. It is set to NULL by default.
    INITIAL_EXTENT bigint(0) NO This column is not supported. It is set to NULL by default.
    NEXT_EXTENT bigint(0) NO This column is not supported. It is set to NULL by default.
    MIN_EXTENTS bigint(0) NO This column is not supported. It is set to NULL by default.
    MAX_EXTENTS bigint(0) NO This column is not supported. It is set to NULL by default.
    PCT_INCREASE bigint(0) NO This column is not supported. It is set to NULL by default.
    FREELISTS bigint(0) NO This column is not supported. It is set to NULL by default.
    FREELIST_GROUPS bigint(0) NO This column is not supported. It is set to NULL by default.
    LOGGING varchar(3) NO This column is not supported. It is set to NULL by default.
    BACKED_UP varchar(1) NO This column is not supported. It is set to NULL by default.
    NUM_ROWS bigint(21) NO The number of rows in the table
    BLOCKS bigint(0) NO This column is not supported. It is set to NULL by default.
    EMPTY_BLOCKS bigint(0) NO This column is not supported. It is set to NULL by default.
    AVG_SPACE bigint(0) NO This column is not supported. It is set to NULL by default.
    CHAIN_CNT bigint(0) NO This column is not supported. It is set to NULL by default.
    AVG_ROW_LEN bigint(0) NO This column is not supported. It is set to NULL by default.
    AVG_SPACE_FREELIST_BLOCKS bigint(0) NO This column is not supported. It is set to NULL by default.
    NUM_FREELIST_BLOCKS bigint(0) NO This column is not supported. It is set to NULL by default.
    DEGREE varchar(10) NO This column is not supported. It is set to NULL by default.
    INSTANCES varchar(10) NO This column is not supported. The default value is NULL.
    CACHE varchar(5) NO This column is not supported. The default value is NULL.
    TABLE_LOCK varchar(8) NO This column is not supported. The default value is NULL.
    SAMPLE_SIZE bigint(0) NO This column is not supported. The default value is NULL.
    LAST_ANALYZED date NO This column is not supported. The default value is NULL.
    PARTITIONED varchar(3) NO Indicates whether the table is partitioned. Valid values:
    • YES
    • NO
    IOT_TYPE varchar(12) NO Indicates the table organization mode. Valid values:
    • NULL
    • IOT

    Note

    This column is available starting with OceanBase Database V4.3.5 BP1.

    TEMPORARY varchar(1) NO Indicates whether the table is a temporary table
    SECONDARY varchar(1) NO This column is not supported. The default value is NULL.
    NESTED varchar(3) NO Indicates whether the table is a nested table. Valid values:
    • YES
    • NO
    BUFFER_POOL varchar(7) NO This column is not supported. The default value is NULL.
    FLASH_CACHE varchar(7) NO This column is not supported. The default value is NULL.
    CELL_FLASH_CACHE varchar(7) NO This column is not supported. The default value is NULL.
    ROW_MOVEMENT varchar(8) NO This column is not supported. The default value is NULL.
    GLOBAL_STATS varchar(3) NO This column is not supported. The default value is NULL
    USER_STATS varchar(3) NO This column is not supported. The default value is NULL
    DURATION varchar(15) NO Indicates the duration of the temporary table
    SKIP_CORRUPT varchar(8) NO This column is not supported. The default value is NULL
    MONITORING varchar(3) NO This column is not supported. The default value is NULL
    CLUSTER_OWNER varchar(128) NO This column is not supported. The default value is NULL
    DEPENDENCIES varchar(8) NO This column is not supported. The default value is NULL
    COMPRESSION varchar(8) NO This column is not supported. The default value is NULL
    COMPRESS_FOR varchar(30) NO This column is not supported. The default value is NULL
    DROPPED varchar(3) NO Indicates whether the dropped table is in the recycle bin
    READ_ONLY varchar(3) NO This column is not supported. The default value is NULL
    SEGMENT_CREATED varchar(3) NO This column is not supported. The default value is NULL
    RESULT_CACHE varchar(7) NO This column is not supported. The default value is NULL
    CLUSTERING varchar(3) NO The default value is NULL
    ACTIVITY_TRACKING varchar(23) NO The default value is NULL
    DML_TIMESTAMP varchar(25) NO The default value is NULL
    HAS_IDENTITY varchar(3) NO The default value is NULL
    CONTAINER_DATA varchar(3) NO The default value is NULL
    INMEMORY varchar(8) NO This column is set to NULL by default.
    INMEMORY_PRIORITY varchar(8) NO This column is set to NULL by default.
    INMEMORY_DISTRIBUTE varchar(15) NO This column is not supported and is set to NULL by default.
    INMEMORY_COMPRESSION varchar(17) NO This column is set to NULL by default.
    INMEMORY_DUPLICATE varchar(13) NO This column is set to NULL by default.
    DEFAULT_COLLATION varchar(100) NO This column is set to NULL by default.
    DUPLICATED varchar(1) NO This column is set to NULL by default.
    SHARDED varchar(1) NO This column is set to NULL by default.
    EXTERNALLY_SHARDED varchar(1) NO This column is set to NULL by default.
    EXTERNALLY_DUPLICATED varchar(1) NO This column is set to NULL by default.
    EXTERNAL varchar(3) NO Indicates whether the table is an external table. Valid values:
    • YES
    • NO
    HYBRID varchar(3) NO This column is set to NULL by default.
    CELLMEMORY varchar(24) NO This column is not supported and is set to NULL by default.
    CONTAINERS_DEFAULT varchar(3) NO This column is set to NULL by default.
    CONTAINER_MAP varchar(3) NO This column is set to NULL by default.
    EXTENDED_DATA_LINK varchar(3) NO This column is set to NULL by default.
    EXTENDED_DATA_LINK_MAP varchar(3) NO This column is set to NULL by default.
    INMEMORY_SERVICE varchar(12) NO This column is set to NULL by default.
    INMEMORY_SERVICE_NAME varchar(1000) NO This column is set to NULL by default.
    CONTAINER_MAP_OBJECT varchar(3) NO This column is set to NULL by default.
    MEMOPTIMIZE_READ varchar(8) NO This column is set to NULL by default.
    MEMOPTIMIZE_WRITE varchar(8) NO This column is set to NULL by default.
    HAS_SENSITIVE_COLUMN varchar(3) NO This column is set to NULL by default.
    ADMIT_NULL varchar(3) NO This column is set to NULL by default.
    DATA_LINK_DML_ENABLED varchar(3) NO This column is set to NULL by default.
    LOGICAL_REPLICATION varchar(8) NO This column is set to NULL by default.
    AUTO_SPLIT varchar(16) NO Indicates whether automatic partitioning is enabled. Valid values:
    • FALSE (default): Automatic partitioning is disabled.
    • TRUE: Automatic partitioning is enabled.

    Note

    This column is available starting with V4.3.4.

    AUTO_SPLIT_TABLET_SIZE bigint(20) NO The threshold for automatic partition splitting. When the value of the AUTO_SPLIT column is FALSE, the value of the AUTO_SPLIT_TABLET_SIZE column is 0.

    Note

    This column is available starting with V4.3.4.

    Sample query

    In the sys tenant, query the information about the table tbl1 in the tenant with ID 1002.

    obclient [oceanbase]> SELECT CON_ID, OWNER, TABLE_NAME, STATUS, PCT_FREE, TEMPORARY, NESTED, ROW_MOVEMENT, DROPPED, EXTERNAL FROM oceanbase.CDB_TABLES WHERE CON_ID=1002 AND TABLE_NAME = 'tbl1';
    

    The query result is as follows:

    +--------+----------+------------+--------+----------+-----------+--------+--------------+---------+----------+
    | CON_ID | OWNER    | TABLE_NAME | STATUS | PCT_FREE | TEMPORARY | NESTED | ROW_MOVEMENT | DROPPED | EXTERNAL |
    +--------+----------+------------+--------+----------+-----------+--------+--------------+---------+----------+
    |   1002 | infotest | tbl1       | VALID  |        0 | N         | NO     | NO           | NO      | NO       |
    +--------+----------+------------+--------+----------+-----------+--------+--------------+---------+----------+
    1 row in set
    

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