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Answers and rating deltas for
SQL FOREIGN KEY USAGE ? what does it really do ? and when it was needed?
| Author | Votes | Δ |
|---|---|---|
| Brian Hooper | 3 | +1.89 |
| onedaywhen | 0 | -1.89 |
Last visited: Sep 14, 2014, 5:07:29 AM