StackRating
An Elo-based rating system for Stack Overflow
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Answers and rating deltas for
check the presence of a value of a column in another table sql
Author
Votes
Δ
Sonam
1
+1.89
huhu78
1
+2.31
Ahsen
0
-4.21
Last visited: Sep 14, 2014, 5:07:29 AM