Note
- This view is available starting with V4.3.0 for V4.3.x.
- This view is available starting with V4.2.3 for V4.2.x.
Purpose
The DBA_INDEX_USAGE view displays index usage data.
Columns
Column |
Type |
Nullable |
Description |
|---|---|---|---|
| OBJECT_ID | bigint(20) | NO | The ID of the index table. |
| NAME | varchar(128) | NO | The name of the index table. |
| OWNER | varchar(128) | NO | The name of the database. |
| TOTAL_ACCESS_COUNT | bigint(20) | NO | The total number of accesses. |
| TOTAL_EXEC_COUNT | bigint(20) | NO | The total number of executions. |
| TOTAL_ROWS_RETURNED | bigint(20) | NO | This column is not supported. |
| BUCKET_0_ACCESS_COUNT | bigint(20) | NO | This column is not supported. |
| BUCKET_1_ACCESS_COUNT | bigint(20) | NO | This column is not supported. |
| BUCKET_2_10_ACCESS_COUNT | bigint(20) | NO | This column is not supported. |
| BUCKET_2_10_ROWS_RETURNED | bigint(20) | NO | This column is not supported. |
| BUCKET_11_100_ACCESS_COUNT | bigint(20) | NO | This column is not supported. |
| BUCKET_11_100_ROWS_RETURNED | bigint(20) | NO | This column is not supported. |
| BUCKET_101_1000_ACCESS_COUNT | bigint(20) | NO | This column is not supported. |
| BUCKET_101_1000_ROWS_RETURNED | bigint(20) | NO | This column is not supported. |
| BUCKET_1000_PLUS_ACCESS_COUNT | bigint(20) | NO | This column is not supported. |
| BUCKET_1000_PLUS_ROWS_RETURNED | bigint(20) | NO | This column is not supported. |
| LAST_USED | varchar(128) | NO | The time when the index table was last used. |
Sample query
Query index usage data.
obclient [oceanbase]> SELECT * FROM oceanbase.DBA_INDEX_USAGE;