CIW
1D0-441 · Question #59
Which type of relational integrity is violated if a primary key in a database has a null value?
The correct answer is A. Entity integrity. See the full explanation below for the reasoning.
Question
Which type of relational integrity is violated if a primary key in a database has a null value?
Options
- AEntity integrity
- BDomain integrity
- CDomain constraints
- DReferential integrity
How the community answered
(42 responses)- A79% (33)
- B2% (1)
- C12% (5)
- D7% (3)
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