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Answers and rating deltas for
How can I remove all rows that aren't the newest N for each user in MySQL?
| Author | Votes | Δ |
|---|---|---|
| Quassnoi | 3 | +1.08 |
| Bill Karwin | 2 | -0.39 |
| Click Upvote | 0 | -1.85 |
| Aziz | 0 | -1.95 |
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