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Columns order in the index


Columns order in the index

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tanuta
tanuta
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The order of the columns in an index matters but how do I choose the right one ?
GilaMonster
GilaMonster
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Group: General Forum Members
Points: 72661 Visits: 44963
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, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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