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Re: Optimize Inner Join With WHERE BETWEEN dates
Posted by: Rick James
Date: June 04, 2013 11:49PM

Also change this like I suggested:
AND a.ClockIn <> b.ClockOut
AND a.ClockOut <> b.ClockIn
AND ( a.ClockIn BETWEEN b.ClockIn AND b.ClockOut
OR a.ClockOut BETWEEN b.ClockIn AND b.ClockOut
)

My suggested indexes can't be used with that OR.

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Re: Optimize Inner Join With WHERE BETWEEN dates
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June 04, 2013 11:49PM


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