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Answers and rating deltas for
In SQL, how to write a query such that the table is in wide format and not in long format?
| Author | Votes | Δ |
|---|---|---|
| Alex | 2 | +2.38 |
| Cetin Basoz | 2 | +0.81 |
| Cetin Basoz | 1 | -0.57 |
| ijhaqqani | 1 | -2.13 |
| ijhaqqani | 1 | -2.13 |
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