differences between procedure and function and routine?

Posted by Yang on Stack Overflow See other posts from Stack Overflow or by Yang
Published on 2010-04-21T06:23:01Z Indexed on 2010/04/21 6:43 UTC
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mysql

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terminology

in mysql database context, what is the difference among these 3 terms?

stored procedure,stored routine,stored function.

p.s. build-in functions like those date time functions, (weekday()) are considered as what?

thanks in advance!

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