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Answers and rating deltas for
can anyone explain to me what primary keys actually do?
Author | Votes | Δ |
---|---|---|
paulsm4 | 3 | +2.27 |
nvogel | 2 | +0.28 |
Jonathan Leffler | 2 | -0.29 |
Kevin Burton | 1 | -1.81 |
Last visited: Sep 14, 2014, 5:07:29 AM