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two columns (one null one value)
Posted by: Hadzic Emir
Date: March 25, 2008 04:44AM

I need some kind of a constraint where i can define that only one of two columns can be filled and the other must be null. Does anyone know how?

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two columns (one null one value)
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Hadzic Emir
March 25, 2008 04:44AM


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