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Answers and rating deltas for
How to make 2 rows into single row in sql
| Author | Votes | Δ |
|---|---|---|
| ashish.chotalia | 1 | +3.78 |
| nathan_jr | 1 | +3.43 |
| mik | 0 | -1.65 |
| gbn | 0 | -0.48 |
| Radu Caprescu | 0 | -1.73 |
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