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Answers and rating deltas for
MYSQL two columns that have value in first column how can i do an inner join
| Author | Votes | Δ |
|---|---|---|
| spencer7593 | 1 | +1.38 |
| rs. | 0 | -0.80 |
| Saharsh Shah | 0 | -0.49 |
| vidyadhar | 0 | -0.72 |
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