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- Query_plan abstract "A query plan (or query execution plan) is an ordered set of steps used to access data in a SQL relational database management system. This is a specific case of the relational model concept of access plans.Since SQL is declarative, there are typically a large number of alternative ways to execute a given query, with widely varying performance. When a query is submitted to the database, the query optimizer evaluates some of the different, correct possible plans for executing the query and returns what it considers the best alternative. Because query optimizers are imperfect, database users and administrators sometimes need to manually examine and tune the plans produced by the optimizer to get better performance.".
- Query_plan wikiPageExternalLink sqltuning.html.
- Query_plan wikiPageID "1710792".
- Query_plan wikiPageRevisionID "574422744".
- Query_plan hasPhotoCollection Query_plan.
- Query_plan subject Category:Database_management_systems.
- Query_plan subject Category:SQL.
- Query_plan type Abstraction100002137.
- Query_plan type Code106355894.
- Query_plan type CodingSystem106353757.
- Query_plan type Communication100033020.
- Query_plan type DatabaseManagementSystem106588785.
- Query_plan type DatabaseManagementSystems.
- Query_plan type Software106566077.
- Query_plan type Writing106359877.
- Query_plan type WrittenCommunication106349220.
- Query_plan comment "A query plan (or query execution plan) is an ordered set of steps used to access data in a SQL relational database management system. This is a specific case of the relational model concept of access plans.Since SQL is declarative, there are typically a large number of alternative ways to execute a given query, with widely varying performance.".
- Query_plan label "Auswertungsplan".
- Query_plan label "Query plan".
- Query_plan label "План выполнения запроса".
- Query_plan label "クエリ実行計画".
- Query_plan sameAs Auswertungsplan.
- Query_plan sameAs クエリ実行計画.
- Query_plan sameAs m.05q8fh.
- Query_plan sameAs Q784232.
- Query_plan sameAs Q784232.
- Query_plan sameAs Query_plan.
- Query_plan wasDerivedFrom Query_plan?oldid=574422744.
- Query_plan isPrimaryTopicOf Query_plan.