> I have a junction table that is recording relationships between two > records in another table. Is there a way that I can create a constraint so > that the values are not repeated in any order? I want to make sure that > rows such as 2 and 4 in the example below cannot happen. This is a very > small table that is meta data for an application. It is only 41 rows now > and probably won't grow beyond 200 rows. I am on Postgresql ver 7.3.4 . > > id fkey1 fkey2 > 1 3 4 > 2 10 4 > 3 2 7 > 4 4 10 > 5 15 8
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