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What is Filtered Index in SQL?

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What is Filtered Index in SQL?
posted Oct 1, 2015 by Sathyasree

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Filtered Index is used to index a portion of rows in a table that means it applies filter on INDEX which improves query performance, reduce index maintenance costs, and reduce index storage costs compared with full-table indexes. When we see an Index created with some where clause then that is actually a FILTERED INDEX.

answer Oct 1, 2015 by Shivaranjini
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