User Defined Functions
User defined functions, known more commonly as UDFs, are routines called from T-SQL code to return either a single value or a rowset. Although they are, perhaps, the least used of specialized stored procedures, they are powerful tools in a database developer’s armory. They provide the developer with the ability to create their own customized functions, which can then be re-used in other parts of their T-SQL code.
KeywordsReturn Statement Deterministic Function Table Function Select Statement Table Variable
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