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Answers and rating deltas for
How to guarantee some rows are unique (a sort of secondary key) SQL
| Author | Votes | Δ |
|---|---|---|
| Klamon Vadeen | 4 | +4.52 |
| Lucero | 3 | +0.69 |
| Martin Smith | 3 | -0.12 |
| Tarek Fadel | 2 | -0.62 |
| Bogdan Sahlean | 0 | -0.85 |
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