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Posted Saturday, October 9, 2010 12:50 AM
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The order of the columns in an index matters but how do I choose the right one ?
Post #1001679
Posted Saturday, October 9, 2010 2:14 AM


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Try this: http://www.sqlservercentral.com/articles/Indexing/68439/ (3-part series)
and these
http://sqlinthewild.co.za/index.php/2009/01/19/index-columns-selectivity-and-equality-predicates/
http://sqlinthewild.co.za/index.php/2009/02/06/index-columns-selectivity-and-inequality-predicates/



Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
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