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Answers and rating deltas for
how to update the values of a column in a single query if the value is null then update with the pre
| Author | Votes | Δ |
|---|---|---|
| Giorgi Nakeuri | 3 | +0.86 |
| SelvaS | 1 | +1.43 |
| Sergey | 0 | -2.70 |
| shA.t | 0 | -0.70 |
Last visited: Jan 2, 2016, 4:16:54 PM