Database Administration (MOSC)

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Stats/optimizer on a new 19C database

in Database Administration (MOSC) 3 commentsAnswered

Hi

I have a new 19c database into which I migrated (expdp/impdp) a 11g database (all enterprise edition) - just the application schema (rest were oracle maintained).

I did not export the stats from 11g.

On the 19C database , what do i need to do to ensure performance / optimisation is kept to peak as possible e.g. do I need to run one-off commands before allowing users on the system, so it gathers stats during off peak time etc? baseline stats ?

What should I be running (and how) regularly to keep system performance at peak or close to and when should they be run?

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