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Results tagged with statistics
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user 106041
Statistics for query optimization are objects that contain statistical information about the distribution of values in one or more columns of a table or indexed view.
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Table statistic vs estimated rows query plan
Can anyone explain why despite having inaccurate table statistics, the actual query plan "estimated number of rows" is correct? E.g table has 30 rows but all table statistics show 50 rows. … profile ON
SELECT *
FROM dbo.TestPerf
SET statistics profile OFF --estimatedRows = 750 …
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