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Answers and rating deltas for
Problem with sql query. Should i be using union?
| Author | Votes | Δ |
|---|---|---|
| Greg Beech | 4 | +0.69 |
| Stefan Steinegger | 4 | +3.33 |
| cg. | 2 | -2.17 |
| Quassnoi | 2 | -0.84 |
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