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ANALYZE_STATISTICS and ANALYZE_STATISTICS_PARTITION — Vertica Forum

ANALYZE_STATISTICS and ANALYZE_STATISTICS_PARTITION

dimitri_pdimitri_p ✭
edited March 21 in General Discussion

I have a huge partitioned table that I've been ANALYZE_STATISTICS() for regularly. Recently, I decided to switch to hourly ANALYZE_STATISTICS_PARTITION for new partitions only.

In order to have a full statistics coverage, do I need to run ANALYZE_STATISTICS_PARTITION on every single existing partition once to sort of create a statistics baseline, before I switch to hourly ANALYZE_STATISTICS_PARTITION?

Is having statistics on each individual partition in a partitioned table equivalent to having run analyze_statistics() on the entire table?

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