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Answers and rating deltas for
How to get first and last records grouping by a certain column?
| Author | Votes | Δ |
|---|---|---|
| Giorgos Betsos | 4 | +0.80 |
| Aparna Rajan | 1 | +0.68 |
| Vamsi Prabhala | 0 | -0.89 |
Last visited: Jan 3, 2016, 9:33:48 AM