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Answers and rating deltas for
Writing an SQL Query to simplify the given example
| Author | Votes | Δ |
|---|---|---|
| DevT | 2 | +4.42 |
| Developer | 1 | +1.12 |
| user5151179 | 0 | -3.08 |
| James Jithin | 0 | -0.31 |
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