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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