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Answers and rating deltas for
How can I further optimize a derived table query which performs better than the JOINed equivalent?
| Author | Votes | Δ |
|---|---|---|
| hobodave | 11 | +3.98 |
| bobflux | 2 | +2.07 |
| bobflux | 0 | -0.93 |
| Kornel | 0 | -0.22 |
| david valentine | -2 | -3.37 |
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