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Answers and rating deltas for
How do i display different results in SQL if a column is null or not
| Author | Votes | Δ |
|---|---|---|
| zedfoxus | 2 | +1.39 |
| Asjal Rana | 1 | -1.25 |
| Juan Carlos Oropeza | 1 | -0.94 |
| Nguyễn Hải Triều | 1 | -0.29 |
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