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Answers and rating deltas for
How to get the sum value of two rows for this mysql query in php
| Author | Votes | Δ |
|---|---|---|
| DhruvJoshi | 1 | +3.89 |
| yashasvee | 0 | -1.49 |
| uvais | 0 | -0.51 |
| Mihai | 0 | -0.24 |
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