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Answers and rating deltas for
How can I tweak this SQL to perform the arithmetic calculation only once
| Author | Votes | Δ |
|---|---|---|
| Chris | 10 | +3.97 |
| Niikola | 2 | +1.77 |
| Remus Rusanu | 1 | +0.20 |
| Ronald Wildenberg | -2 | -0.92 |
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