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Answers and rating deltas for
is it possible to use one mysql query to achieve this?
| Author | Votes | Δ |
|---|---|---|
| Roman Starkov | 1 | +0.96 |
| etarion | 0 | -1.46 |
| David Gelhar | 0 | -0.66 |
| Kim | 0 | -0.96 |
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