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- Sargable abstract "In relational databases, a condition (or predicate) in a query is said to be sargable if the DBMS engine can take advantage of an index to speed up the execution of the query. The term is derived from a contraction of Search ARGument ABLE.A query failing to be sargable is known as Non-Sargable query and has an effect in query time, so one of the steps in query optimization is convert them to be sargable.The typical situation that will make a sql query non-sargable is to include in the WHERE clause a function operating on a column value. Note that the WHERE clause is not the only clause where sargability can matter; it can also have an effect on ORDER BY, GROUP BY and HAVING clauses. The SELECT clause, on the other hand, can contain non-sargable expressions without adversely affecting the performance. Sargable operators: =,>,<,>=,<=,BETWEEN,LIKE without leading % Sargable operators that rarely improve performance: <>,IN,OR,NOT IN, NOT EXISTS, NOT LIKE Non-sargable operators: LIKE with leading %Rules of thumb Avoid functions using table values in a sql condition. Avoid non-sargable predicates and replace them with sargable equivalents.".
- Sargable wikiPageExternalLink article.aspx?p=30247.
- Sargable wikiPageID "5949018".
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- Sargable hasPhotoCollection Sargable.
- Sargable subject Category:Database_management_systems.
- Sargable subject Category:Relational_model.
- Sargable type Abstraction100002137.
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- Sargable type DatabaseManagementSystem106588785.
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- Sargable comment "In relational databases, a condition (or predicate) in a query is said to be sargable if the DBMS engine can take advantage of an index to speed up the execution of the query.".
- Sargable label "Sargable".
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- Sargable wasDerivedFrom Sargable?oldid=573806804.
- Sargable isPrimaryTopicOf Sargable.