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Home Q & A Board Other Fields Homework Help Business Accounting
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barry barry
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Posts: 11630
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9 years ago
Which statement below is false regarding the basic requirements of the relational data model?
A) Every column in a row must be single-valued.
B) All non-key attributes in a table should describe a characteristic about the object identified by the primary key.
C) Foreign keys, if not null, must have values that correspond to the value of a primary key in another table.
D) Primary keys can be null.
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newstartnewstart
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#1
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9 years ago
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