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Answers and rating deltas for
SQL - using tables to find out How many types of each book a publisher has
| Author | Votes | Δ |
|---|---|---|
| Abhilash R Vankayala | 1 | +4.29 |
| Oscar Gonzalez | 0 | -4.29 |
Last visited: Aug 26, 2016, 2:34:25 PM