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Answers and rating deltas for
Delete all rows except max(timestamp) on each day in mysql
| Author | Votes | Δ |
|---|---|---|
| Derrick Moeller | 2 | +1.33 |
| SQL_M | 0 | +0.73 |
| Thorsten Kettner | 0 | -0.61 |
| Marc Guillot | 0 | -0.35 |
| Zulfiqar Ali | -1 | -3.66 |
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