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 domain 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.
Which of the following occurs in a relation when records are added or removed?
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Which of the following occurs in a relation when records are added or removed?
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