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Answers and rating deltas for
How to write a sql query to get this output?
| Author | Votes | Δ |
|---|---|---|
| Marco | 1 | +0.26 |
| sorpigal | 1 | +0.48 |
| CM Kanode | 0 | -1.51 |
| aNi | 0 | -1.28 |
| ruakh | 0 | -1.69 |
| Vishal Suthar | 0 | -1.47 |
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