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Answers and rating deltas for

what does this sql query do? SELECT column_1 FROM table_1,table_2;

Author Votes Δ
Jens 4 +0.71
jleach 3 +0.21
Schmocken 0 -0.81
Mike Rs. 0 -0.81
Bhanuchander Udhayakumar -1 -3.76
Last visited: Nov 2, 2017, 10:53:09 AM