Database Tuning (MOSC)

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some tables can not follow Automatic Optimizer Statistics Collection

in Database Tuning (MOSC) 12 commentsAnswered

HI ,

We use oracle 12C, the production database some tables can not update the LAST_ANALYZED date , the date is in the past year .i have no idea to deal with it. I have decrease the default STALE_PERCENT from 10->1, and rerun the exec DBMS_AUTO_TASK_IMMEDIATE.GATHER_OPTIMIZER_STATS but it does not work. Also i change the sample rate to 90%, also can not work .Anyone can help me.


thanks.

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