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Answers and rating deltas for
What is the purpose of primary and foriegn keys, if I can join without defining them?
| Author | Votes | Δ |
|---|---|---|
| Sergey Kalinichenko | 4 | -0.07 |
| Moo-Juice | 4 | +0.81 |
| mattytommo | 4 | +0.53 |
| Cade Roux | 2 | -0.65 |
| Eirik Toft | 1 | -2.44 |
| ArchiFloyd | 1 | -2.54 |
Last visited: Sep 14, 2014, 5:07:29 AM