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Answer by Paul White for Why is a scan faster than seek for this predicate?
Why is there a large difference in CPU time for these two queries?The scan plan evaluates the following pushed non-sargable (residual) predicate for each row:[two_col_key_test].[ID1]<>N'1'AND...
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Why is a scan faster than seek for this predicate?
I was able to reproduce a query performance issue that I would describe as unexpected. I'm looking for an answer that's focused on internals.On my machine, the following query does a clustered index...
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