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Answers and rating deltas for
How to remove columns having NULL values?
| Author | Votes | Δ |
|---|---|---|
| SQLMenace | 7 | +0.79 |
| Ernest Friedman-Hill | 1 | -0.28 |
| Mike Sokolov | 0 | -2.05 |
| Ernest Staszuk | 0 | -2.01 |
Last visited: Sep 14, 2014, 5:07:29 AM