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Answers and rating deltas for
mysql - group by indexed columns + where by indexed column caused speed decrease
| Author | Votes | Δ |
|---|---|---|
| KKK | 1 | +4.89 |
| gbn | 0 | -0.49 |
| Dmitry Ustalov | 0 | -1.01 |
Last visited: Sep 14, 2014, 5:07:29 AM