Re: Why Unique Key Constraint?
Posted by:
Rick James
Date: March 20, 2010 03:44PM
Without that restriction, enforcing a UNIQUE constraint would require looking in every partition to see if the key already exists. This would be unacceptably bad for performance.
Would you care to share your schema; we could discuss this further.
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March 14, 2010 04:59AM
Re: Why Unique Key Constraint?
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March 20, 2010 03:44PM
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