Which of the following occurs in a relation when records are added or removed?�
A.The number of domains changes.�
B.The attributes in the table change.�
C.The cardinality of the relation is fixed but the degree varies.�
D.The degree of the relation is fixed but the cardinality varies.�
Answer:D
Which of the following occurs in a relation when records are added or removed?�
A.The number of domains changes.� B.The attributes in the table change.� C.The cardinality of the relation is fixed but the degree varies.� D.The degree of the relation is fixed but the cardinality varies.�