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Answers and rating deltas for

How can i check data in mysql and insert if not found?

Author Votes Δ
tujuni 1 +1.22
Hasitha Jayawardana 1 +1.29
Mahesh 1 +1.31
Karlo Kokkak 0 -3.82
Last visited: Jun 20, 2018, 6:45:27 PM