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Answers and rating deltas for
How to improve SQL performance for this case?
| Author | Votes | Δ |
|---|---|---|
| gbn | 1 | +0.88 |
| The Scrum Meister | 0 | -0.55 |
| Ken Downs | 0 | -0.80 |
| Chandu | 0 | -0.23 |
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