It is possible for an entity to have a relationship to itself.
Correct Answer:
Verified
Q11: There is usually only one instance of
Q12: Unified Modeling Language (UML)has quickly replaced the
Q13: In the Entity-Relationship data model,all instances of
Q13: An entity class is described by the
Q14: The number of entity classes involved in
Q15: One or more entities can be associated
Q17: Which of the following is not a
Q19: A PRODUCT entity instance is the collection
Q20: One type of strong entity is the
Q21: When developing a database system,the database is
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