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Answers and rating deltas for
How to choose primary key and normalize this relation schema?
Author | Votes | Δ |
---|---|---|
Thorsten Kettner | 2 | +0.65 |
Conrad Frix | 2 | +0.68 |
Rupert Morrish | 1 | -0.64 |
philipxy | 0 | -1.25 |
Last visited: Feb 6, 2018, 10:49:25 PM