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Answers and rating deltas for
How do I join two tables with the same composite key, and use values from T2 if not in T1 using M...
| Author | Votes | Δ |
|---|---|---|
| Gordon Linoff | 1 | -0.19 |
| sgeddes | 1 | +0.19 |
Last visited: Sep 14, 2014, 5:07:29 AM