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Answers and rating deltas for
How to sum the hours using two Date Fields and group them by the user id in SQL
| Author | Votes | Δ |
|---|---|---|
| Dmitrij Kultasev | 3 | +0.51 |
| Kwanghee Chung | 2 | +1.75 |
| Dix | 1 | -2.70 |
| Bave | 1 | -2.70 |
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