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count(*) is taking more time in production vs test

in Database Administration (MOSC) 5 commentsAnswered

Hi Experts ...Need your kind help on what else i can check to improve the simple count query which takes about 4 seconds in production but takes less than a second in test.

Database : 12.2.0.1 April 2021 CPU patch.


TEST:

Production:

So far i collected stats and i see table and index stats are upto date.

Please suggest what else i can do to improve the query performance.

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