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Large table updates and stats gather

edited Dec 20, 2019 11:25AM in SQL Performance (MOSC) 6 commentsAnswered ✓

We have a few processes that update a few large tables. My question is should we gather the stats after the load or is oracle going to automatically do that when the stats get flagged STALE. I am just trying to see if we are doubling the work.

How soon after the load does ORACLE know the stats are stale?

Does the oracle stats gather kick off right away or is there delay? If there is a delay I am ok with adding the stats gather to the procedure because another process fires off a few mins later that uses the table.

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