User-defined function: Difference between revisions

Revision as of 12:10, 9 March 2006

Revision as of 12:10, 9 March 2006

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User Defined Function, or UDF is an extension to a SQL database server (like [[MySQL]]) that can be compiled for use in a SQL query. For example, if it is necessary to obtain a random number for use as a primary key, and [[MySQL]] does not support that function, a new, external function could be written and compiled to accomplish this task. One sample of such query could be:

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[[Category:SQL]]

[[Category:Computer programming]]

[[Category:Databases]]