A subtype is a generic entity that has a relationship with one or more entities at a lower level.
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Q39: An entity cluster can be formed by:
A)
Q40: Which of the following statements is true
Q41: The third step in the data modeling
Q42: Specialization is the reverse of generalization.
Q43: The following figure is an example of
Q45: Supertype/subtype relationships should not be used when
Q46: All of the following are steps to
Q47: The overlap rule specifies that if an
Q48: When the total specialization rule is set
Q49: Generalization is a top-down process.
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