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Adding local short description: "Link between a client and database server", overriding Wikidata description "means by which a database server and its client software communicate with each other" |
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{{Short description|Link between a client and database server}}
A '''Database connection''' is a facility in [[computer science]] that allows [[Client (computing)|client]] software to talk to [[database server]] software, whether on the same machine or not. A '''connection''' is required to send [[command (computing)|commands]] and receive answers, usually in the form of a result set.▼
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▲A '''
Connections are a key concept in [[data-centric]] programming. Since some DBMS engines require considerable time to connect, [[connection pooling]] was invented to improve performance. No command can be performed against a database without an "open and available" connection to it.
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