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Answers and rating deltas for
Mysql: group by two column from separated tables
| Author | Votes | Δ |
|---|---|---|
| geof2832 | 0 | 0.00 |
Last visited: Oct 27, 2017, 7:18:27 AM
| Author | Votes | Δ |
|---|---|---|
| geof2832 | 0 | 0.00 |