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IBM DB2 9 Fundamentals certification (exam 730): Sample question No. 3

IBM DB2 9 Fundamentals certification (exam 730): Sample question No. 3

The following question is taken from DB2 9 Fundamentals Certification Study Guide, by Roger E. Sanders (copyright 2007) and is reprinted here with permission from MC Press.

Test your knowledge of DB2 9 by answering the question below, which is from a real, previous DB2 9 Fundamentals exam (exam 730). When you are finished, check your answer and read an explanation using the answer key.

IBM DB2 9 Fundamentals certification exam study guide

Which type of key is defined on the child table to implement a referential constraint?

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A. Unique key

B. Primary key

C. Foreign key

D. Composite key

• Read the answer and explanation

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This was first published in August 2007

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