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Dec 15, 2011, 08:15 #1
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- May 2005
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How to generate unqiue code or serial numbers ?
I am working on a members database and I need to generate unique serial / code for each member.
The unique code must be in format of XXXX-XXXX-XXXX-XXXX-XXXX or something similar.
I can generate the code by one way or another usin chr() etc. but how do i make sure that its unique ?