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Answers and rating deltas for
How do I refer to a record in sql that immediately precedes another record in a group?
| Author | Votes | Δ |
|---|---|---|
| Gordon Linoff | 2 | +1.50 |
| RichardTheKiwi | 2 | +0.86 |
| valex | 1 | -1.10 |
| a1ex07 | 1 | -1.25 |
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