Computers and Computing

A Dictionary of the Internet A Dictionary of Computing Further reading

query language

A Dictionary of the Internet | 2001 | | Copyright

query language A language used to select data from a database satisfying various criteria. For example, such a language might be used to extract all the employees in a database who earn more than a specified salary. The two main query languages found on the Internet or in DISTRIBUTED SYSTEMS are SQL, a language used to access and retrieve data in large structured databases, and the simple query languages involving KEYWORDS and BOOLEAN CONNECTIVES used in SEARCH ENGINES.

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DARREL INCE. "query language." A Dictionary of the Internet. 2001. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

DARREL INCE. "query language." A Dictionary of the Internet. 2001. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O12-querylanguage.html

DARREL INCE. "query language." A Dictionary of the Internet. 2001. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O12-querylanguage.html

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query language

A Dictionary of Computing | 2004 | | Copyright

query language Strictly a language for the specification of retrieval criteria against which information is obtained from a database. The term is something of a misnomer when, as with SQL, a language that originated for this purpose has been extended to include facilities for updating and for schema modification. See also query processing.

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JOHN DAINTITH. "query language." A Dictionary of Computing. 2004. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

JOHN DAINTITH. "query language." A Dictionary of Computing. 2004. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O11-querylanguage.html

JOHN DAINTITH. "query language." A Dictionary of Computing. 2004. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O11-querylanguage.html

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