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Heff Heff
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6 years ago
A surrogate key should be considered when ________.
A) a relationship is M:N
B) a composite key is required
C) the key contains a lengthy text field
D) the key contains a number
E) an index needs to be created
Textbook 
Database Concepts

Database Concepts


Edition: 7th
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jeckojecko
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6 years ago
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Heff Author
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#2
5 years ago
You've been a big asset to me this semester, can't thank you enough.
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