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Answers and rating deltas for
How can I test if a column exists in a table using an SQL statement
| Author | Votes | Δ |
|---|---|---|
| Ramandeep Singh | 19 | +4.95 |
| a_horse_with_no_name | 2 | +0.37 |
| aleroot | 2 | +0.77 |
| Erwin Brandstetter | 1 | -1.75 |
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