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Answers and rating deltas for
postgresql challenge: how to select sum of one column having another column like 'ab%'
| Author | Votes | Δ |
|---|---|---|
| Ignacio Vazquez-Abrams | 2 | +2.15 |
| Andomar | 0 | -2.15 |
Last visited: Sep 14, 2014, 5:07:29 AM