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Answers and rating deltas for
Any ideas why is this join query performing table scan and if there's a way I can eliminate it?
| Author | Votes | Δ |
|---|---|---|
| Craig Ringer | 2 | -0.62 |
| Denis de Bernardy | 2 | +0.62 |
Last visited: Sep 14, 2014, 5:07:29 AM