DBA_HIST_WR_CONTROL displays the control information for the Workload Repository.
| Column | Datatype | NULL | Description |
|---|---|---|---|
DBID |
NUMBER |
NOT NULL |
Database ID |
SNAP_INTERVAL |
INTERVAL DAY(5) TO SECOND(1) |
NOT NULL |
Snapshot interval; how often to automatically take snapshots |
RETENTION |
INTERVAL DAY(5) TO SECOND(1) |
NOT NULL |
Retention setting for the snapshots; amount of time to keep the snapshots |
TOPNSQL |
VARCHAR2(10) |
The number of Top SQL flushed for each SQL criteria (elapsed time, CPU time, parse calls, shareable memory, version count) |