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Answers and rating deltas for
How to merge two columns using sql?
| Author | Votes | Δ |
|---|---|---|
| Andreas Venieris | 1 | +0.53 |
| mvp | 1 | -0.16 |
| sagi | 1 | -0.40 |
| Fahmi | 1 | +0.17 |
| Zaynul Abadin Tuhin | 1 | +0.32 |
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