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CISSP All Domains Practice test 12
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Question : 30
Total: 50
In referential data bases, we are talking about entity integrity. What does that mean?
Each attribute value is consistent with the attribute data type.
When the database has errors
When every foreign key in a secondary table matches the primary key in the parent table.
Each tuple has a unique primary value that is not null.
Validate
Solution:
Entity integrity: Each tuple (row) has a unique primary value that is not null.
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