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Answers and rating deltas for
How to group 3 columns into a single one in SQL
| Author | Votes | Δ |
|---|---|---|
| Brian | 4 | +3.92 |
| Nathanial Woolls | 1 | +0.53 |
| Michael Leaney | 0 | -1.76 |
| Mr Moose | 0 | -1.88 |
| Chris Porter | 0 | -1.81 |
| Nighil | 0 | -0.34 |
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