MySQL Procedural Languages?

What procedural languages are available for writing stored procedures or fu开发者_运维百科nctions in MySQL?

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Just MySQL. Quoting the manual:

The LANGUAGE characteristic indicates the language in which the routine is written. The server ignores this characteristic; only SQL routines are supported.

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Stored procedures are created within mysql by a standard defintion.

http://dev.mysql.com/doc/refman/5.0/en/create-procedure.html