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Answers and rating deltas for
How to add the data of two columns from two tables having the same structure?
| Author | Votes | Δ |
|---|---|---|
| APC | 1 | +0.56 |
| Guneli | 0 | -1.02 |
| No'am Newman | 0 | -0.31 |
| dillip | 0 | -0.94 |
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