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Raspberry Raspberry
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8 years ago
The entity integrity rule states that:
A) referential integrity must be maintained across all entities.
B) no primary key attribute can be null.
C) a primary key must have only one attribute.
D) each entity must have a primary key.
Textbook 
Modern Database Management

Modern Database Management


Edition: 12th
Authors:
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dorkalotdorkalot
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Raspberry Author
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8 years ago
And right on time, exam is this Tuesday Frowning Face
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8 years ago
Nerd Face
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