Microsoft
98-364 · Question #15
Which of the following statements is true about referential integrity?
The correct answer is D. It checks that no record in a child table can exist if its corresponding record is not available in. See the full explanation below for the reasoning.
Question
Which of the following statements is true about referential integrity?
Options
- AIt checks that no component of a primary key can have a null value and no duplicate entries
- BIt checks that the value of a primary key must be consistent throughout the life of an instance.
- CIt distinguishes between null values and zero entries.
- DIt checks that no record in a child table can exist if its corresponding record is not available in
How the community answered
(63 responses)- A3% (2)
- B6% (4)
- C14% (9)
- D76% (48)
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