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Answers and rating deltas for
How can I compare two tables and delete the duplicate rows in SQL?
| Author | Votes | Δ |
|---|---|---|
| Chris Van Opstal | 8 | +4.08 |
| Marc Gravell | 6 | +0.07 |
| Rich Andrews | 1 | -0.80 |
| Gthompson83 | 0 | -3.21 |
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