Note
This view was introduced in OceanBase Database V2.2.77.
Purpose
This view displays the information about the current user's access to the multi-level partitions, partition storage parameters, and partition statistics.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| TABLE_OWNER | VARCHAR2(128) | NO | The owner of the partitioned table. |
| TABLE_NAME | VARCHAR2(128) | NO | The name of the partitioned table. |
| COMPOSITE | VARCHAR2(3) | NO | Whether the table is a multi-level partitioned table. |
| PARTITION_NAME | VARCHAR2(128) | NO | The name of the partition. |
| SUBPARTITION_COUNT | NUMBER | NO | The number of subpartitions. |
| HIGH_VALUE | VARCHAR2(32767) | NO | The partitioning expression. |
| HIGH_VALUE_LENGTH | NUMBER | NO | The length of the partitioning expression. |
| PARTITION_POSITION | NUMBER | NO | The position of the partition. |
| TABLESPACE_NAME | VARCHAR2(30) | NO | The name of the tablespace to which the partition belongs. |
| PCT_FREE | NUMBER | NO | Not supported. The value of this field is NULL. |
| PCT_USED | NUMBER | NO | Not supported. The value of this field is NULL. |
| INI_TRANS | NUMBER | NO | Not supported. The value of this field is NULL. |
| MAX_TRANS | NUMBER | NO | Not supported. The value of this field is NULL. |
| INITIAL_EXTENT | NUMBER | NO | Not supported. The value of this field is NULL. |
| NEXT_EXTENT | NUMBER | NO | Not supported. The value of this field is NULL. |
| MIN_EXTENT | NUMBER | NO | Not supported. The value of this field is NULL. |
| MAX_EXTENT | NUMBER | NO | Not supported. The value of this field is NULL. |
| MAX_SIZE | NUMBER | NO | Not supported. The value of this field is NULL. |
| PCT_INCREASE | NUMBER | NO | Not supported. The value of this field is NULL. |
| FREELISTS | NUMBER | NO | Not supported. The value of this field is NULL. |
| FREELIST_GROUPS | NUMBER | NO | Not supported. The value of this field is NULL. |
| LOGGING | VARCHAR2(7) | NO | Not supported. The value of this field is NULL. |
| COMPRESSION | VARCHAR2(8) | NO | Whether to enable compression. |
| COMPRESS_FOR | VARCHAR2(30) | NO | The compression method. |
| NUM_ROWS | NUMBER | NO | Not supported. The value of this field is NULL. |
| BLOCKS | NUMBER | NO | Not supported. The value of this field is NULL. |
| EMPTY_BLOCKS | NUMBER | NO | Not supported. The value of this field is NULL. |
| AVG_SPACE | NUMBER | NO | Not supported. The value of this field is NULL. |
| CHAIN_CNT | NUMBER | NO | Not supported. The value of this field is NULL. |
| AVG_ROW_LEN | NUMBER | NO | Not supported. The value of this field is NULL. |
| SAMPLE_SIZE | NUMBER | NO | Not supported. The value of this field is NULL. |
| LAST_ANALYZED | DATE | NO | Not supported. The value of this field is NULL. |
| BUFFER_POOL | VARCHAR2(7) | NO | Not supported. The value of this field is NULL. |
| FLASH_CACHE | VARCHAR2(7) | NO | Not supported. The value of this field is NULL. |
| CELL_FLASH_CACHE | VARCHAR2(7) | NO | Not supported. The value of this field is NULL. |
| GLOBAL_STATS | VARCHAR2(3) | NO | Not supported. The value of this field is NULL. |
| USER_STATS | VARCHAR2(3) | NO | Not supported. The value of this field is NULL. |
| IS_NESTED | VARCHAR2(3) | NO | Not supported. The value of this field is NULL. |
| PARENT_TABLE_PARTITION | VARCHAR2(128) | NO | Not supported. The value of this field is NULL. |
| INTERVAL | VARCHAR2(3) | NO | Not supported. The value of this field is NO. |
| SEGMENT_CREATED | VARCHAR2(4) | NO | Not supported. The value of this field is NULL. |
| INDEXING | VARCHAR2(4) | NO | Not supported. The value of this field is NULL. |
| READ_ONLY | VARCHAR2(4) | NO | Not supported. The value of this field is NULL. |
| INMEMORY | VARCHAR2(8) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| INMEMORY_PRIORITY | VARCHAR2(8) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| INMEMORY_DISTRIBUTE | VARCHAR2(15) | NO | Not supported. The value of this field is NULL. |
| INMEMORY_COMPRESSION | VARCHAR2(17) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| INMEMORY_DUPLICATE | VARCHAR2(13) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| CELLMEMORY | VARCHAR2(24) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| INMEMORY_SERVICE | VARCHAR2(12) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| INMEMORY_SERVICE_NAME | VARCHAR2(100) | NO | Compatible with Oracle. The value of this field is NULL and has no practical meaning. |
| MEMOPTIMIZE_READ | VARCHAR2(8) | NO | Not supported. The value of this field is NULL. |
| MEMOPTIMIZE_WRITE | VARCHAR2(8) | NO | Not supported. The value of this field is NULL. |
References
ALL_TAB_PARTITIONSUSER_TAB_PARTITIONS