In the original Chen model,each attribute is represented using an oval with the attribute name connected to the entity with a line.
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Q12: A weak relationship exists if the primary
Q15: Attributes have a domain that specifies the
Q16: An ERM is dependent on the database
Q17: The DBMS can easily handle multivalued attributes.
Q18: All attributes are either simple or composite.
Q19: Attributes are types of entities.
Q22: Attributes may share a _.
A) name
B) domain
C)
Q23: The set of possible values for an
Q24: Relationships operate only in one direction.
Q25: A recursive relationship is one in which
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