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Answers and rating deltas for
SQL problem: 3 tables, requiring JOIN, COUNT, GROUP BY
| Author | Votes | Δ |
|---|---|---|
| ahmet_y | 3 | 0.00 |
Last visited: Mar 17, 2019, 9:35:20 AM
| Author | Votes | Δ |
|---|---|---|
| ahmet_y | 3 | 0.00 |