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Answers and rating deltas for

How to insert new values in MySql tables only those differents from rows that already exists?

Author Votes Δ
danny117 1 +0.58
guyver4mk 0 -1.58
Abhishek 0 -1.58
lakshman 0 -1.50
Last visited: Jan 2, 2016, 12:55:16 PM