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SQL - V4.6.0

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    SQL - V 4.6.0
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    USER_TABLES

    Last Updated:2026-05-07 11:26:24  Updated
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    Note

    This view is available starting with V2.2.30.

    Purpose

    This view displays all tables owned by the current user.

    Applicability

    This view is available only in Oracle mode of OceanBase Database.

    Columns

    Column
    Type
    Nullable
    Description
    TABLE_NAME VARCHAR2(128) NO The name of the table.
    TABLESPACE_NAME VARCHAR2(30) NO The name of the tablespace that contains the table.
    CLUSTER_NAME VARCHAR2(128) NO This column is not supported. The default value is NULL.
    IOT_NAME VARCHAR2(128) NO This column is not supported. The default value is NULL.
    STATUS VARCHAR2(8) NO The status of the table. Valid values:
    • VALID
    • UNUSABLE
    PCT_FREE NUMBER NO The minimum percentage of free space in a block.
    PCT_USED NUMBER NO This column is not supported. The default value is NULL.
    INI_TRANS NUMBER NO This column is not supported. The default value is NULL.
    MAX_TRANS NUMBER NO This column is not supported. The default value is NULL.
    INITIAL_EXTENT NUMBER NO This column is not supported. The default value is NULL.
    NEXT_EXTENT NUMBER NO This column is not supported. The default value is NULL.
    MIN_EXTENTS NUMBER NO This column is not supported. The default value is NULL.
    MAX_EXTENTS NUMBER NO This column is not supported. The default value is NULL.
    PCT_INCREASE NUMBER NO This column is not supported. The default value is NULL.
    FREELISTS NUMBER NO This column is not supported. The default value is NULL.
    FREELIST_GROUPS NUMBER NO This column is not supported. The default value is NULL.
    LOGGING VARCHAR2(3) NO This column is not supported. The default value is NULL.
    BACKED_UP VARCHAR2(1) NO This column is not supported. The default value is NULL.
    NUM_ROWS NUMBER NO The number of rows in the table.
    BLOCKS NUMBER NO This column is not supported. The default value is NULL.
    EMPTY_BLOCKS NUMBER NO This column is not supported. The default value is NULL.
    AVG_SPACE NUMBER NO This column is not supported. The default value is NULL.
    CHAIN_CNT NUMBER NO This column is not supported. The default value is NULL.
    AVG_ROW_LEN NUMBER NO This column is not supported. The default value is NULL.
    AVG_SPACE_FREELIST_BLOCKS NUMBER NO This column is not supported. The default value is NULL.
    NUM_FREELIST_BLOCKS NUMBER NO This column is not supported. The default value is NULL.
    DEGREE VARCHAR2(10) NO This column is not supported. The default value is NULL.
    INSTANCES VARCHAR2(10) NO This column is not supported. The default value is NULL.
    CACHE VARCHAR2(5) NO This column is not supported. It is NULL by default.
    TABLE_LOCK VARCHAR2(8) NO This column is not supported. It is NULL by default.
    SAMPLE_SIZE NUMBER NO This column is not supported. It is NULL by default.
    LAST_ANALYZED DATE NO This column is not supported. It is NULL by default.
    PARTITIONED VARCHAR2(3) NO This column is not supported. It is NULL by default.
    IOT_TYPE VARCHAR2(12) NO This column is not supported. It is NULL by default.
    TEMPORARY VARCHAR2(1) NO Indicates whether the table is a temporary table.
    SECONDARY VARCHAR2(1) NO This column is not supported. It is NULL by default.
    NESTED VARCHAR2(3) NO This column is not supported. It is NULL by default.
    BUFFER_POOL VARCHAR2(7) NO This column is not supported. It is NULL by default.
    FLASH_CACHE VARCHAR2(7) NO This column is not supported. It is NULL by default.
    CELL_FLASH_CACHE VARCHAR2(7) NO This column is not supported. It is NULL by default.
    ROW_MOVEMENT VARCHAR2(8) NO This column is not supported. It is NULL by default.
    GLOBAL_STATS VARCHAR2(3) NO This column is not supported. It is NULL by default.
    USER_STATS VARCHAR2(3) NO This column is not supported. It is NULL by default.
    DURATION VARCHAR2(15) NO Indicates the duration of the temporary table.
    SKIP_CORRUPT VARCHAR2(8) NO This column is not supported. It is NULL by default.
    MONITORING VARCHAR2(3) NO This column is not supported. It is NULL by default.
    CLUSTER_OWNER VARCHAR2(128) NO This column is not supported. It is NULL by default.
    DEPENDENCIES VARCHAR2(8) NO This column is not supported. It is NULL by default.
    COMPRESSION VARCHAR2(8) NO This column is not supported. It is NULL by default.
    COMPRESS_FOR VARCHAR2(30) NO This column is not supported. It is NULL by default.
    DROPPED VARCHAR2(3) NO Indicates whether the dropped table is in the recycle bin.
    READ_ONLY VARCHAR2(3) NO This column is not supported. It is NULL by default.
    SEGMENT_CREATED VARCHAR2(3) NO This column is not supported. It is NULL by default.
    RESULT_CACHE VARCHAR2(7) NO This column is not supported. It is NULL by default.
    CLUSTERING VARCHAR2(3) NO This column is NULL by default.
    ACTIVITY_TRACKING VARCHAR2(23) NO This column is NULL by default.
    DML_TIMESTAMP VARCHAR2(25) NO This column is NULL by default.
    HAS_IDENTITY VARCHAR2(3) NO This column is NULL by default.
    CONTAINER_DATA VARCHAR2(3) NO This column is NULL by default.
    INMEMORY VARCHAR2(8) NO This column is compatible with Oracle. It is NULL and has no practical meaning.
    INMEMORY_PRIORITY VARCHAR2(8) NO This column is compatible with Oracle. It is NULL and has no practical meaning.
    INMEMORY_DISTRIBUTE VARCHAR2(15) NO A compatibility field with Oracle. The value is NULL and has no actual meaning.
    INMEMORY_COMPRESSION VARCHAR2(17) NO A compatibility field with Oracle. The value is NULL and has no actual meaning.
    INMEMORY_DUPLICATE VARCHAR2(13) NO A compatibility field with Oracle. The value is NULL and has no actual meaning.
    DEFAULT_COLLATION VARCHAR2(100) NO The default value of this field is NULL.
    DUPLICATED VARCHAR2(1) NO The default value of this field is NULL.
    SHARDED VARCHAR2(1) NO The default value of this field is NULL.
    EXTERNALLY_SHARDED VARCHAR2(1) NO The default value of this field is NULL.
    EXTERNALLY_DUPLICATED VARCHAR2(1) NO The default value of this field is NULL.
    EXTERNAL VARCHAR2(3) NO Indicates whether the table is an external table:
    • YES
    • NO
    HYBRID VARCHAR2(3) NO The default value of this field is NULL.
    CELLMEMORY VARCHAR2(24) NO A compatibility field with Oracle. The value is NULL and has no actual meaning.
    CONTAINERS_DEFAULT VARCHAR2(3) NO The default value of this field is NULL.
    CONTAINER_MAP VARCHAR2(3) NO The default value of this field is NULL.
    EXTENDED_DATA_LINK VARCHAR2(3) NO The default value of this field is NULL.
    EXTENDED_DATA_LINK_MAP VARCHAR2(3) NO The default value of this field is NULL.
    INMEMORY_SERVICE VARCHAR2(12) NO A compatibility field with Oracle. The value is NULL and has no actual meaning.
    INMEMORY_SERVICE_NAME VARCHAR2(1000) NO A compatibility field with Oracle. The value is NULL and has no actual meaning.
    CONTAINER_MAP_OBJECT VARCHAR2(3) NO The default value of this field is NULL.
    MEMOPTIMIZE_READ VARCHAR2(8) NO The default value of this field is NULL.
    MEMOPTIMIZE_WRITE VARCHAR2(8) NO The default value of this field is NULL.
    HAS_SENSITIVE_COLUMN VARCHAR2(3) NO The default value of this field is NULL.
    ADMIT_NULL VARCHAR2(3) NO The default value of this field is NULL.
    DATA_LINK_DML_ENABLED VARCHAR2(3) NO The default value of this field is NULL.
    LOGICAL_REPLICATION VARCHAR2(8) NO The default value of this field is NULL.
    AUTO_SPLIT VARCHAR2(16) NO Indicates whether the table is enabled for automatic partitioning. Valid values:
    • FALSE (default): The table is not enabled for automatic partitioning.
    • TRUE: The table is enabled for automatic partitioning.

    Note

    This field is available starting with V4.3.4.

    AUTO_SPLIT_TABLET_SIZE VARCHAR2(128) NO The threshold for automatic partition splitting. When the value of the AUTO_SPLIT field is FALSE, the value of the AUTO_SPLIT_TABLET_SIZE field is 0.

    Note

    This field is available starting with V4.3.4.

    Sample query

    Query the information about the TBL1 table in the current user's schema.

    obclient [SYS]> SELECT TABLE_NAME, STATUS, PCT_FREE, TEMPORARY, NESTED, ROW_MOVEMENT, DROPPED, EXTERNAL FROM SYS.USER_TABLES WHERE TABLE_NAME = 'TBL1';
    

    The query result is as follows:

    +------------+--------+----------+-----------+--------+--------------+---------+----------+
    | TABLE_NAME | STATUS | PCT_FREE | TEMPORARY | NESTED | ROW_MOVEMENT | DROPPED | EXTERNAL |
    +------------+--------+----------+-----------+--------+--------------+---------+----------+
    | TBL1       | VALID  |        0 | N         | NO     | NO           | NO      | NO       |
    +------------+--------+----------+-----------+--------+--------------+---------+----------+
    1 row in set
    

    References

    • ALL_TABLES

    • DBA_TABLES

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