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Answers and rating deltas for
sql how can I do get the first and last date when in two columns different rows (islands problem)
| Author | Votes | Δ |
|---|---|---|
| Yogesh Sharma | 3 | +1.99 |
| Gordon Linoff | 0 | -1.99 |
Last visited: May 14, 2020, 3:16:00 AM