ALL_OBJECT_TABLES describes the object tables accessible to the current user.
DBA_OBJECT_TABLES describes all object tables in the database.
USER_OBJECT_TABLES describes the object tables owned by the current user. This view does not display the OWNER column.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| OWNER | VARCHAR2(30) | NOT NULL | Owner of the table | 
| TABLE_NAME | VARCHAR2(30) | NOT NULL | Name of the table | 
| TABLESPACE_NAME | VARCHAR2(30) | Name of the tablespace containing the table; NULL for partitioned, temporary, and index-organized tables | |
| CLUSTER_NAME | VARCHAR2(30) | Name of the cluster, if any, to which the table belongs | |
| IOT_NAME | VARCHAR2(30) | Name of the index-organized table, if any, to which the overflow or mapping table entry belongs. If the IOT_TYPEcolumn is not NULL, then this column contains the base table name. | |
| STATUS | VARCHAR2(8) | If a previous DROP TABLEoperation failed, indicates whether the table is unusable (UNUSABLE) or valid (VALID) | |
| PCT_FREE | NUMBER | Minimum percentage of free space in a block; NULL for partitioned tables | |
| PCT_USED | NUMBER | Minimum percentage of used space in a block; NULL for partitioned tables | |
| INI_TRANS | NUMBER | Initial number of transactions; NULL for partitioned tables | |
| MAX_TRANS | NUMBER | Maximum number of transactions; NULL for partitioned tables | |
| INITIAL_EXTENT | NUMBER | Size of the initial extent (in bytes); NULL for partitioned tables | |
| NEXT_EXTENT | NUMBER | Size of secondary extents (in bytes); NULL for partitioned tables | |
| MIN_EXTENTS | NUMBER | Minimum number of extents allowed in the segment; NULL for partitioned tables | |
| MAX_EXTENTS | NUMBER | Maximum number of extents allowed in the segment; NULL for partitioned tables | |
| PCT_INCREASE | NUMBER | Percentage increase in extent size; NULL for partitioned tables | |
| FREELISTS | NUMBER | Number of process freelists allocated to the segment; NULL for partitioned tables | |
| FREELIST_GROUPS | NUMBER | Number of freelist groups allocated to the segment; NULL for partitioned tables | |
| LOGGING | VARCHAR2(3) | Indicates whether or not changes to the table are logged: 
 | |
| BACKED_UP | VARCHAR2(1) | Indicates whether the table has been backed up since the last modification ( Y) or not (N) | |
| NUM_ROWS | NUMBER | Number of rows in the table | |
| BLOCKS | NUMBER | Number of used blocks in the table | |
| EMPTY_BLOCKS | NUMBER | Number of empty (never used) blocks in the table | |
| AVG_SPACE | NUMBER | Average available free space in the table | |
| CHAIN_CNT | NUMBER | Number of chained rows in the table | |
| AVG_ROW_LEN | NUMBER | Average row length, including row overhead | |
| AVG_SPACE_FREELIST_BLOCKS | NUMBER | Average free space of all blocks on a freelist | |
| NUM_FREELIST_BLOCKS | NUMBER | Number of blocks on the freelist | |
| DEGREE | VARCHAR2(10) | Number of parallel execution processes per instance for scanning the table, or DEFAULT | |
| INSTANCES | VARCHAR2(10) | Number of instances across which the table is to be scanned, or DEFAULT | |
| CACHE | VARCHAR2(5) | Indicates whether the table is to be cached in the buffer cache ( Y) or not (N) | |
| TABLE_LOCK | VARCHAR2(8) | Indicates whether table locking is enabled ( ENABLED) or disabled (DISABLED) | |
| SAMPLE_SIZE | NUMBER | Sample size used in analyzing this table | |
| LAST_ANALYZED | DATE | Date on which this table was most recently analyzed | |
| PARTITIONED | VARCHAR2(3) | Indicates whether the table is partitioned ( YES) or not (NO) | |
| IOT_TYPE | VARCHAR2(12) | If the table is an index-organized table, then IOT_TYPEisIOT,IOT_OVERFLOW, orIOT_MAPPING. If the table is not an index-organized table, thenIOT_TYPEis NULL. | |
| OBJECT_ID_TYPE | VARCHAR2(16) | Indicates whether the object ID (OID) is USER-DEFINEDorSYSTEM GENERATED | |
| TABLE_TYPE_OWNER | VARCHAR2(30) | Owner of the type of the table | |
| TABLE_TYPE | VARCHAR2(30) | Type of the table | |
| TEMPORARY | VARCHAR2(1) | Indicates whether this is a temporary table ( Y) or not (N) | |
| SECONDARY | VARCHAR2(1) | Indicates whether the object table is a secondary object created by the ODCIIndexCreate method of the Oracle Data Cartridge ( Y) or not (N) | |
| NESTED | VARCHAR2(3) | Indicates whether the table is a nested table ( YES) or not (NO) | |
| BUFFER_POOL | VARCHAR2(7) | Default buffer pool to be used for table blocks: 
 | |
| ROW_MOVEMENT | VARCHAR2(8) | Indicates whether partitioned row movement is enabled ( ENABLED) or disabled (DISABLED) | |
| GLOBAL_STATS | VARCHAR2(3) | For partitioned object tables, indicates whether statistics were collected for the table as a whole ( YES) or were estimated from statistics on underlying partitions and subpartitions (NO) | |
| USER_STATS | VARCHAR2(3) | Indicates whether statistics were entered directly by the user ( YES) or not (NO) | |
| DURATION | VARCHAR2(15) | Indicates the duration of a temporary table: 
 Null - Permanent table | |
| SKIP_CORRUPT | VARCHAR2(8) | Indicates whether Oracle Database ignores blocks marked corrupt during table and index scans ( ENABLED) or raises an error (DISABLED). To enable this feature, run theDBMS_REPAIR.SKIP_CORRUPT_BLOCKSprocedure. | |
| MONITORING | VARCHAR2(3) | Indicates whether the table has the MONITORINGattribute set (YES) or not (NO) | |
| CLUSTER_OWNER | VARCHAR2(30) | Owner of the cluster, if any, to which the table belongs | |
| DEPENDENCIES | VARCHAR2(8) | Indicates whether row-level dependency tracking is enabled ( ENABLED) or disabled (DISABLED) | |
| COMPRESSION | VARCHAR2(8) | Indicates whether table compression is enabled ( ENABLED) or not (DISABLED); NULL for partitioned tables | |
| COMPRESS_FOR | VARCHAR2(18) | Default compression for what kind of operations: 
 | |
| DROPPED | VARCHAR2(3) | Indicates whether the table has been dropped and is in the recycle bin ( YES) or not (NO); NULL for partitioned tables | 
See Also: