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Answers and rating deltas for
Can SQL table have multiple columns with primary key?
| Author | Votes | Δ |
|---|---|---|
| Tony Andrews | 12 | +1.10 |
| Stu | 8 | +0.98 |
| Joseph | 3 | -0.56 |
| HLGEM | 1 | -1.08 |
| Erwin Smout | 1 | -2.15 |
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