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Answers and rating deltas for
How to improve performance of COUNT(DISTINCT field1)... GROUP BY field2?
| Author | Votes | Δ |
|---|---|---|
| Daniel Miladinov | 3 | +4.04 |
| Swaprks | 0 | -4.04 |
Last visited: Sep 14, 2014, 5:07:29 AM