IBM
C2090-320 · Question #132
In the parent table of a referential constraint, a parent key must be which of the following? (Choose two.)
The correct answer is A. A unique key C. A primary key. doc/doc/c0020153.html
DB2 Objects
Question
In the parent table of a referential constraint, a parent key must be which of the following? (Choose two.)
Options
- AA unique key
- BA foreign key
- CA primary key
- DA duplicate key
- EA secondary key
How the community answered
(28 responses)- A71% (20)
- B4% (1)
- D18% (5)
- E7% (2)
Explanation
doc/doc/c0020153.html
Topics
#referential constraint#parent key#primary key#unique key
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