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Answers and rating deltas for
I need a sql statement in java that finds an average with a where clause and returns value
| Author | Votes | Δ |
|---|---|---|
| Edward | 1 | +2.67 |
| Simon Forsberg | 1 | +0.32 |
| Cheung | 0 | -2.61 |
| NikA | 0 | -2.60 |
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