Covering Index


An index, when used for an index-only scan.

About the Author

Photo of Markus Winand
Markus Winand tunes developers for high SQL performance. He also published the book SQL Performance Explained and offers in-house training as well as remote coaching at http://winand.at/

?Recent questions at
Ask.Use-The-Index-Luke.com

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pagination with nulls

Oct 22 at 08:28 Markus Winand ♦♦ 771
pagination
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different execution plans after failing over from primary to standby server

Sep 17 at 11:46 Markus Winand ♦♦ 771
oracle index update