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Data manipulation language
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==Variants== Most SQL database implementations extend their SQL capabilities by providing [[Imperative programming|imperative]], i.e. procedural languages. Examples of these are [[Oracle Database|Oracle]]'s [[PL/SQL]] and [[IBM Db2]]'s [[SQL_PL]]. Data manipulation languages tend to have many different flavors and capabilities between database vendors. There have been a number of standards established for SQL by [[ANSI]],<ref name="SQL92" /> but vendors still provide their own extensions to the standard while not implementing the entire standard. Data manipulation languages are divided into two types, [[procedural programming]] and [[declarative programming]]. Data manipulation languages were initially only used within [[computer program]]s, but with the advent of SQL have come to be used interactively by database administrators.
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