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Answers and rating deltas for
How can I join 4 tables with the condition that the data only exist in 2 of the 3 tables
| Author | Votes | Δ |
|---|---|---|
| Chris Baxter | 1 | +3.84 |
| Doug | 0 | -3.84 |
Last visited: Sep 14, 2014, 5:07:29 AM