An entity has a unique attribute which is known as the ________.
A) key attribute
B) identifier
C) foreign key
D) index field
Correct Answer:
Verified
Q106: In an entity-relationship diagram,a _ on a
Q107: Many-to-many relationships are notated as _ relationships.
A)N:N
B)1:N
C)M:1
D)N:M
Q108: What are crow's feet?
A)shorthand for multiple lines
Q109: Minimum cardinalities are _.
A)attributes identified with only
Q110: Which of the following is true of
Q112: Which of the following statements is true
Q113: If a student is allowed to have
Q114: _ is the most popular diagramming tool
Q115: Which of the following is not part
Q116: In an entity-relationship diagram,a _ on a
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