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Answers and rating deltas for
SQL - joing tables - return value as null if not matched
| Author | Votes | Δ |
|---|---|---|
| Michael Fredrickson | 5 | +0.43 |
| Martin Broadhurst | 0 | -2.11 |
| travega | 0 | -1.36 |
Last visited: Sep 14, 2014, 5:07:29 AM