In an ER diagram,primary keys are indicated by ____.
A) bolding
B) italics
C) underlining
D) a special font
Correct Answer:
Verified
Q9: A weak entity has a primary key
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
Q26: A relationship is identified by a name
Q28: A _ identifier is composed of more
Q29: Some _ database modeling concepts can be
Q30: Ideally,an entity identifier is composed of _
Q40: A _ attribute is one that cannot
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