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Oracle® Database Reference
10g Release 2 (10.2)

Part Number B14237-04
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DBA_HIST_WR_CONTROL

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)