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Answers and rating deltas for
How to use group by in sql query?
| Author | Votes | Δ |
|---|---|---|
| Mahmoud Gamal | 6 | +0.66 |
| Kay Nelson | 1 | +0.85 |
| Amit | 1 | +0.18 |
| Suraj Singh | 0 | -0.94 |
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