1. Database Reference
  2. Static Data Dictionary Views
  3. Static Data Dictionary Views: DBA_HIST_LATCH to DBA_STORED_SETTINGS
  4. DBA_HIST_WR_CONTROL

5.85 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, sharable memory, version count)

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data