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Answers and rating deltas for
MySQL. Primary key in a relational table. Unique id or multiple unique key?
Author | Votes | Δ |
---|---|---|
Denis de Bernardy | 2 | +1.78 |
Brian Driscoll | 1 | -0.91 |
Joshua Martell | 1 | -0.88 |
Last visited: Sep 14, 2014, 5:07:29 AM