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Answers and rating deltas for
Join with table and sub query in oracle
| Author | Votes | Δ |
|---|---|---|
| APC | 1 | +0.47 |
| dani herrera | 1 | +1.35 |
| vikram jain | 0 | -0.67 |
| diederikh | 0 | -1.15 |
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