查询AWR保存策略与创建的快照

本文主要是介绍查询AWR保存策略与创建的快照，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

--查询AWR保存策略
SYS@PROD1> select * from dba_hist_wr_control;DBID SNAP_INTERVAL	RETENTION	     TOPNSQL
---------- -------------------- -------------------- ----------
2133791648 +00000 01:00:00.0	+00008 00:00:00.0    DEFAULT--查询快照
SYS@PROD1> select distinct snap_id from sys.wrh$_active_session_history;SNAP_ID
----------49850449451852249750050252349549649950550951052151651950750851251351450351151752050151552430 rows selected.SYS@PROD1> exec dbms_workload_repository.create_snapshot;PL/SQL procedure successfully completed.SYS@PROD1> select distinct snap_id from sys.wrh$_active_session_history;SNAP_ID
----------49850449451852249750050252349549649950550951052151651950750851251351452550351151752050151552431 rows selected.

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