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Answers and rating deltas for
i want to modify this SQL statement to return only distinct rows of a column
| Author | Votes | Δ |
|---|---|---|
| JonH | 1 | +0.65 |
| DRapp | 1 | +0.93 |
| Olivier Jacot-Descombes | 0 | -1.21 |
| Seagull | 0 | -2.95 |
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