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Answers and rating deltas for
MySQL - Sum only if all rows are not null, else return null
| Author | Votes | Δ |
|---|---|---|
| Alma Do | 8 | +0.28 |
| iMakeWebsites | 0 | -1.01 |
| Muttley75 | 0 | -1.20 |
Last visited: Sep 14, 2014, 5:07:29 AM