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Answers and rating deltas for
Sql Server - Constraint - Allow to set column A only if column B is null and vice-versa
| Author | Votes | Δ |
|---|---|---|
| gbn | 4 | +0.99 |
| Tom H. | 0 | -0.82 |
| Bob Zirkowski | 0 | -1.40 |
Last visited: Sep 14, 2014, 5:07:29 AM