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How do I create a constructed artifical key for a Product table?

Posted on 2013-01-05
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Last Modified: 2013-01-06
Hi,

Can any one suggest with examples, how to create a 13 digit constructed key for a product table in an e-commerce system?
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Question by:Honya
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johanntagle earned 2000 total points
ID: 38748208
If you're using MySQL and this is for the primary key of the table I suggest you just stick to an integer primary key generated by auto_increment.  Integers as keys are the most efficient when using MySQL.

The uuid() MySQL function (http://dev.mysql.com/doc/refman/5.0/en//miscellaneous-functions.html#function_uuid) can generate for you a unique string, but it's 36 characters long.  If that is not acceptable then you may need to look for a solution outside the database.
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