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In a relational database, should all columns that will be ordered in a query have an index?
| Author | Votes | Δ |
|---|---|---|
| Harald Coppoolse | 1 | +1.33 |
| Rahul | 0 | -1.06 |
| Eli | 0 | -2.13 |
Last visited: Oct 27, 2017, 7:18:27 AM