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Answers and rating deltas for
Mysql: How do I fill in null values in one row with values from another row in the same table?
| Author | Votes | Δ |
|---|---|---|
| Daniel Vassallo | 3 | +0.75 |
| Ronnis | 2 | +0.85 |
| a1ex07 | 0 | -1.26 |
Last visited: Sep 14, 2014, 5:07:29 AM