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Answers and rating deltas for
How can make Column that allow null to be unique from SQL Server 2005?
| Author | Votes | Δ |
|---|---|---|
| Damien_The_Unbeliever | 1 | +0.66 |
| marc_s | 1 | -0.26 |
| janbom | 0 | -3.14 |
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