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Re: Need recommendation regarding IN expression
Posted by: Jay Pipes
Date: February 22, 2006 01:29PM

Much more efficient to do:

SELECT SUM(time_on_page)
FROM page_views p
INNER JOIN selected_registrants s
ON p.registrant_id = s.registrant_id
AND s.report_id = 1569;

There is no GROUP BY since you are returning a single scalar value (the sum of all time spent on the page)

Jay Pipes
Community Relations Manager, North America, MySQL Inc.

Got Cluster? http://www.mysql.com/cluster
Personal: http://jpipes.com

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Re: Need recommendation regarding IN expression
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February 22, 2006 01:29PM


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