IBM
C2090-610 · Question #81
C2090-610 Question #81: Real Exam Question with Answer & Explanation
The correct answer is D. Informational. See the full explanation below for the reasoning.
Question
Which type of constraint can be used to tell the DB2 Optimizer that a parent-child relationship exists between two tables, but that the relationship is not enforced?
Options
- ACheck
- BUnique
- CReferential
- DInformational
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