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Answers and rating deltas for
How do I add unique constraint for 2 columns without deleting the existing duplicated records?
| Author | Votes | Δ |
|---|---|---|
| BClaydon | 1 | +4.40 |
| fancyPants | 0 | -0.55 |
Last visited: Sep 14, 2014, 5:07:29 AM