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Answers and rating deltas for

Why is the Primary Key often an integer in a Relational Database Management System?

Author Votes Δ
Emil Vikström 11 +4.01
bobp 2 +1.58
Jeffrey Kemp 2 +0.57
Charles Ma 1 -2.40
Juha Syrjälä 1 -0.66
Rajesh Chamarthi 1 -2.42
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