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Answers and rating deltas for

How do I have a check constraint that refers to another table?

Author Votes Δ
Bill Karwin 6 +1.26
KM. 2 +0.78
A-K 1 +0.02
codingbadger 1 -0.28
John Sansom 0 -1.79
Last visited: Sep 14, 2014, 5:07:29 AM