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Answers and rating deltas for
How to concatenate many rows with same id in sql?
| Author | Votes | Δ |
|---|---|---|
| Devart | 4 | +1.43 |
| Stanislovas Kalašnikovas | 3 | +0.53 |
| Luc Le | 0 | -2.71 |
| sagi | 0 | -1.30 |
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