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Answers and rating deltas for
How do I SELECT dummy column dynamically if one or few columns do not exist in the table?
| Author | Votes | Δ |
|---|---|---|
| JamieA | 2 | +4.11 |
| Erich Kitzmueller | 1 | -0.51 |
Last visited: May 1, 2015, 9:17:22 PM