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update and control flow




I'm trying to get my feet wet with 'if' and 'when' uses in mysql. it would
be very useful for update operations, but I can't get it right.

If I read the documentation correctly, it should be possible to say
something like 

UPDATE X

if WORD like 'a%' SET COMMENT = 'a'
elseif WORD like 'b%' SET COMMENT = 'b'
END IF


But this gives me an error message. What am I doing wrong?

MM

Martin Mueller

Professor emeritus of English and Classics
Northwestern University





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