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Answers and rating deltas for
Why SUM() returns NULL when no row is selected?
| Author | Votes | Δ |
|---|---|---|
| Ray | 2 | +0.74 |
| CompanyDroneFromSector7G | 2 | +1.14 |
| Juan Carlos Oropeza | 1 | -1.41 |
| Rakesh Kumar | 0 | -3.75 |
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