GATHER_STATS_JOB

GATHER_STATS_JOB job log history

Following my concrete example with DBMS_SQLTUNE package, another questions from developers came to me. They noticed explain plan changed and they wanted to know if it’s linked to statistics… In reality the question I had to answer was showing them that explain changed because they gathered statistics, even if they claimed they did not do anything (maybe a DBA did gathered statistics but who knows)…

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