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Answers and rating deltas for
How to select columns in a table which have values not null in another table
| Author | Votes | Δ |
|---|---|---|
| Gordon Linoff | 1 | +0.33 |
| ulymarins | 0 | -1.35 |
| John | 0 | -1.30 |
Last visited: Nov 10, 2015, 7:33:20 PM