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Answers and rating deltas for

How to add column if not exists on PostgreSQL?

Author Votes Δ
Matthew Wood 19 +4.22
Erwin Brandstetter 8 +0.07
David S 1 -0.74
solaimuruganv 1 -0.44
user645527 0 0.00
Erwin Moller 0 -3.59
Last visited: Sep 14, 2014, 5:07:29 AM