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Answers and rating deltas for
How do I enforce uniqueness against four columns
| Author | Votes | Δ |
|---|---|---|
| Lee Mandeville | 2 | +4.00 |
| Dipendu Paul | 1 | -1.82 |
| Jorge Candeias | 1 | -2.18 |
Last visited: Sep 14, 2014, 5:07:29 AM