Unified Modeling Language (UML)has quickly replaced the E-R Model as the most popular technique for creating data models.
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Q7: Maximum cardinality indicates whether or not an
Q8: Recursive relationships occur when an entity has
Q9: Which of the following is true about
Q10: When an entity class has a relationship
Q11: There is usually only one instance of
Q13: In the Entity-Relationship data model,all instances of
Q14: The number of entity classes involved in
Q15: One or more entities can be associated
Q16: It is possible for an entity to
Q17: Which of the following is not a
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