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Answers and rating deltas for
how to optimize sql when find the max record of each group while table is large?
| Author | Votes | Δ |
|---|---|---|
| Zaynul Abadin Tuhin | 0 | +0.36 |
| Kickstart | 0 | -0.03 |
| Gordon Linoff | 0 | -0.38 |
| DRapp | 0 | +0.05 |
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