IBM

C2090-320 · Question #83

In a unique referential constraint, which type of key does a foreign key reference?

The correct answer is C. Parent key. j.doc/doc/c0020166.html

DB2 Objects

Question

In a unique referential constraint, which type of key does a foreign key reference?

Options

AChild key
BCollation key
CParent key
DSecondary key

How the community answered

(37 responses)

A
5% (2)
B
8% (3)
C
70% (26)
D
16% (6)

Explanation

j.doc/doc/c0020166.html

Topics

#referential constraint#foreign key#parent key#referential integrity

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