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Answers and rating deltas for
how can i write as one query to get count in mysql
| Author | Votes | Δ |
|---|---|---|
| Giorgos Betsos | 2 | +0.29 |
| Gordon Linoff | 2 | +0.80 |
| Bibhudatta Sahoo | 1 | -0.68 |
| Aman | -1 | -3.27 |
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