User-defined function: Difference between revisions

Revision as of 22:54, 9 November 2006

Revision as of 08:43, 14 November 2006

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A '''User-Defined Function''', or '''UDF''', is a [[function (programming)|function]] provided by the user of a program or environment, in a context where the usual assumption is that functions are built into the program or environment.

==BASIC language==

In some old implementations of the [[BASIC]] programming language, user defined functions are defined using the "DEF FN" syntax. More modern dialects of BASIC are influenced by the [[structured programming]] paradigm, where most or all code is written as user defined functions or procedures, and the concept becomes practically redundant.

==Databases==