How to Select Historical Information Related to "Wait Events" for a Particular Time Frame
(Doc ID 2068558.1)
Last updated on NOVEMBER 26, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
This Document illustrates using the Active Session History infrastructure to get historical information on system activity for a specified time range using Data Dictionary queries. This can be helpful when troubleshooting performance issues especially those that be appear to be transient.
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