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Answers and rating deltas for
How can I write a self join that combines rows based on the value of a column?
| Author | Votes | Δ |
|---|---|---|
| Hamlet Hakobyan | 2 | +0.43 |
| fthiella | 2 | -0.43 |
Last visited: Sep 14, 2014, 5:07:29 AM