DB_TAB_SUBPARTITIONS
DB_TAB_SUBPARTITIONS displays information about level-2 partitioned tables accessible to the current user. It is accessible to all users. This view exists in both the PG_CATALOG and SYS schemas.
| Name | Type | Description |
|---|---|---|
| table_owner | character varying(64) | Table owner. |
| table_name | character varying(64) | Relational table name. |
| partition_name | character varying(64) | Partition name. |
| subpartition_name | character varying(64) | Name of a level-2 partition. |
| high_value | text | Limit of a level-2 partition.
|
| tablespace_name | name | Tablespace name of a level-2 partitioned table. |
| schema | character varying(64) | Name of a namespace. |
| high_value_length | integer | Character length of the limit of a level-2 partition. |
| partition_position | numeric | Position of the partition in the table. |
| subpartition_position | numeric | Position of the level-2 partition in the partition. |
| pct_free | numeric | Minimum percentage of available space in a block. |
| pct_used | numeric | Not supported. Its value is NULL. |
| ini_trans | numeric | Initial number of transactions. The default value is 4. The value is NULL for non-Ustore partitioned tables. |
| max_trans | numeric | Maximum number of transactions. The default value is 128. The value is NULL for non-Ustore partitioned tables. |
| initial_extent | numeric | Not supported. Its value is NULL. |
| next_extent | numeric | Not supported. Its value is NULL. |
| min_extent | numeric | Not supported. Its value is NULL. |
| max_extent | numeric | Not supported. Its value is NULL. |
| max_size | numeric | Not supported. Its value is NULL. |
| pct_increase | numeric | Not supported. Its value is NULL. |
| freelists | numeric | Not supported. Its value is NULL. |
| freelist_groups | numeric | Not supported. Its value is NULL. |
| logging | character varying(3) | Specifies whether changes to a table are logged. |
| compression | character varying(8) | Actual compression attribute of a partitioned table. |
| compress_for | character varying(30) | Not supported. Its value is NULL. |
| num_rows | numeric | Number of rows in a level-2 partition. |
| blocks | numeric | Not supported. Its value is NULL. |
| empty_blocks | numeric | Not supported. Its value is NULL. |
| avg_space | numeric | Not supported. Its value is NULL. |
| chain_cnt | numeric | Not supported. Its value is NULL. |
| avg_row_len | numeric | Not supported. Its value is NULL. |
| sample_size | numeric | Not supported. Its value is NULL. |
| last_analyzed | timestamp with time zone | Last date when the partition was analyzed. |
| buffer_pool | character varying(7) | Buffer pool of a level-2 partition. |
| flash_cache | character varying(7) | Not supported. Its value is NULL. |
| cell_flash_cache | character varying(7) | Not supported. Its value is NULL. |
| global_stats | character varying(3) | Not supported. Its value is NULL. |
| user_stats | character varying(3) | Not supported. Its value is NULL. |
| interval | character varying(3) | Specifies whether the partition is a partition in an interval partitioned table. |
| segment_created | character varying(3) | Specifies whether a segment is created in a level-2 partitioned table. |
| indexing | character varying(3) | Not supported. Its value is NULL. |
| read_only | character varying(3) | Not supported. Its value is NULL. |
| inmemory | character varying(8) | Not supported. Its value is NULL. |
| inmemory_priority | character varying(8) | Not supported. Its value is NULL. |
| inmemory_distribute | character varying(15) | Not supported. Its value is NULL. |
| inmemory_compression | character varying(17) | Not supported. Its value is NULL. |
| inmemory_duplicate | character varying(13) | Not supported. Its value is NULL. |
| inmemory_service | character varying(12) | Not supported. Its value is NULL. |
| inmemory_service_name | character varying(1000) | Not supported. Its value is NULL. |
| cellmemory | character varying(24) | Not supported. Its value is NULL. |
| memoptimize_read | character varying(8) | Not supported. Its value is NULL. |
| memoptimize_write | character varying(8) | Not supported. Its value is NULL. |
