June 2012 archive

Jun 27

My 11g Optimizer Stats Job Quit On Me

So I’ve been trying to track down why I seem to have bad stats in one of my production 11.2.0.2 databases. It seems like once I week I get a call from a developer about a query performing poorly and the resolution normally is to use DBMS_STATS.GATHER_TABLE_STATS to update the optimizer statistics and the query …

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