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How to find the last good execution plan for the sql

edited Jul 1, 2020 5:02AM in Database Administration (MOSC) 4 commentsAnswered

Hi all,

We have recently migrated  our database from 12.1.0.2 to 19.6 . We ran a batch for the first time on this database and the job hungs after running for 3 hours.

1. I wanted to see if there is any  good execution plan for the  sql . Need a script which tell the last load time and the plans which exists in the database .

2. Anything else need to be checked on the database  what is the issue

By the way is there any changes in the  optimizer features in 19c. Any parameters has to be set  or unset . Any thoughts ?

Thanks

Sri

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