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Answers and rating deltas for
SQL: How do I (or can I) select multiple columns and relate to another column
| Author | Votes | Δ |
|---|---|---|
| Diego | 1 | +0.06 |
| user1608207 | 1 | +0.13 |
| Dmitry B. | 1 | -0.02 |
| Nalaka526 | 1 | -0.01 |
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