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Answers and rating deltas for

Which of queries is more efficient? Inner Join vs subquery ? Sum case vs having

Author Votes Δ
MatBailie 1 -0.12
Erwin Brandstetter 1 +0.06
dnoeth 1 +0.42
KamilJ 0 -2.85
Last visited: Jan 2, 2016, 12:55:16 PM