SARGable Queries
February 13th, 2010
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You may have seen the term SARGable in blogs or forums and wondered what it means. To start with, SARGable is pseudo-acronym which stands for Search ARGument. A query is considered sargable if the WHERE clause can take advantage of an index to speed up the query. A non-sargable query implies that the WHERE clause (or part of it) cannot use any available indexes which could result in a table or index scan and possibly slow down query performance.
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