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seen Dec 18 '11 at 12:59

Dec
15
awarded  Scholar
Dec
15
accepted How to express this constraint in a database schema?
Dec
15
comment How to express this constraint in a database schema?
This gives me unwanted redundency. This schema would not be in BCNF anymore.
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15
awarded  Supporter
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15
awarded  Critic
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15
awarded  Student
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15
awarded  Editor
Dec
14
revised How to express this constraint in a database schema?
edited body
Dec
14
asked How to express this constraint in a database schema?