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Answers and rating deltas for
How to join two tables based on two columns and verifying that one column is existing in both
| Author | Votes | Δ |
|---|---|---|
| Uueerdo | 1 | +2.21 |
| Juan Carlos Oropeza | 0 | -2.21 |
Last visited: May 25, 2016, 7:17:46 PM