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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
The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the
A) entity integrity rule.
B) referential integrity rule.
C) rule of keys.
D) foreign key rule.
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newstartnewstart
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9 years ago
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