does it require frequent statistics update or refactor the query isself avoid Estimate/Actual row descrepency and 3 table scans?

does it require frequent statistics update or refactor the query isself avoid Estimate/Actual row descrepency and 3 table scans?

phs.pesession (16.7 kB)
avatar image By George Zhou 1 asked Mar 16 at 06:41 PM
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asked: Mar 16 at 06:41 PM

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Last Updated: Mar 16 at 06:41 PM