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Re: not registed for a course and who has paid the most registration

Posted by: DJ L
Date: July 28, 2015 10:19PM

zero and null are not the same thing. look up how to do a LEFT OUTER JOIN and test for NULLs in the right table.

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not registed for a course and who has paid the most registration

Paul Smith

July 28, 2015 05:14PM

Re: not registed for a course and who has paid the most registration

DJ L

July 28, 2015 06:14PM

Re: not registed for a course and who has paid the most registration

Paul Smith

July 28, 2015 08:06PM

Re: not registed for a course and who has paid the most registration

Peter Brawley

July 28, 2015 09:51PM

Re: not registed for a course and who has paid the most registration

Paul Smith

July 28, 2015 09:59PM

Re: not registed for a course and who has paid the most registration

DJ L

July 28, 2015 10:19PM

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