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Answers and rating deltas for
How should tables be indexed to optimise this Oracle SELECT query?
| Author | Votes | Δ |
|---|---|---|
| Rob van Wijk | 3 | +0.78 |
| Dave Costa | 3 | +1.16 |
| MatBailie | 2 | -0.58 |
| O. Jones | 2 | -0.25 |
| Ranzo Taylor | 0 | -3.50 |
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