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Answers and rating deltas for
SQL: Join 2 tables and get only one result per condition from the first table
| Author | Votes | Δ |
|---|---|---|
| Strawberry | 1 | +0.80 |
| Andrew G | 1 | +2.76 |
| Simon | 0 | -1.11 |
| Justin | 0 | -0.54 |
| user1102001 | -1 | -3.69 |
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