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Answers and rating deltas for
how to group by two column in sql?
| Author | Votes | Δ |
|---|---|---|
| Rafael | 4 | +4.06 |
| Professor Abronsius | 1 | +0.57 |
| Michał Turczyn | 0 | -1.08 |
Last visited: Jan 1, 2019, 8:55:20 AM