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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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ER Model and Business Rules
A supertype/subtype hierarchy is which of the following?
Each subtype has only one attribute.
Each supertype has only one attribute.
Each subtype has only one supertype.
Each supertype has only one subtype.
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Correct Answer:
Each subtype has only one supertype.
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