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Answers and rating deltas for
How do I use the SUM Function in Oracle SQL to produce the below output?
| Author | Votes | Δ |
|---|---|---|
| a_horse_with_no_name | 5 | +0.82 |
| Gordon Linoff | 2 | -0.38 |
| TheLittleHawk | 0 | -0.42 |
| Konstantinos Hirikakis | -1 | -3.07 |
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