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Answers and rating deltas for
Join two tables using a condition on time, sql
| Author | Votes | Δ |
|---|---|---|
| grossvogel | 1 | +0.71 |
| John Dvorak | 1 | +3.11 |
| Arnoud | 0 | -2.15 |
| afourney | 0 | -2.16 |
| Hassan Boutougha | 0 | -0.56 |
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