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Answers and rating deltas for
what's the right way of joning two tables, group by a column, and select only one row for each re...
| Author | Votes | Δ |
|---|---|---|
| Petar Ivanov | 3 | +0.40 |
| J. Ed | 0 | -3.22 |
Last visited: Sep 14, 2014, 5:07:29 AM