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12-12-2011, 08:06 PM | #1 |
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Join Date: Nov 2011
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Why can't I have multiple auto_increment columns in the same table?
I know MySQL limits auto_increment columns to primary keys. My first thought is that it's a performance restriction, since there probably is some counter table somewhere that must be locked in order to get this value.
Why can't I have multiple auto_increment columns in the same table? |
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