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Answers and rating deltas for

Is it ever a good idea to not have an 'id' primary key for a table?

Author Votes Δ
Quassnoi 6 +0.94
Dirk 4 +3.21
Dave Costa 2 +0.34
John Parker 2 +0.38
Andrew Sledge 1 -0.23
Gabriel Magana 0 -3.25
usr-local-ΕΨΗΕΛΩΝ 0 -1.40
Last visited: Sep 14, 2014, 5:07:29 AM