Hello Experts,
May I know what is the difference between awr and ash?
AWR vs ASH Reports
Kindly share your valuable thoughts,
Thanks in advance,
Difference between AWR and ASH Reports
Updated May 18, 2018
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ASH - It can help you when there's a sudden performance degradation of the database felt. Storage is not persistent and as time progresses, the old entries are removed to accommodate new ones. They can be viewed using V$ACTIVE_SESSION_HISTORY.
AWR - It holds historic past snapshot intervals and the session performance statistics for analysis later.
ASH report provides the following information:
AWR reports provide the following information: