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Answers and rating deltas for
SQL: Insert only new rows/records into a table?
| Author | Votes | Δ |
|---|---|---|
| Henrik Opel | 5 | +1.48 |
| Dani García | 4 | 0.00 |
| Alix Axel | 2 | +0.16 |
| Sébastien | 1 | 0.00 |
| o.k.w | 0 | -1.64 |
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