Changing cardinalities ________.
A)never occurs in database redesign
B)rarely occurs in database redesign
C)commonly occurs in database redesign
D)always occurs in database redesign

Question

Quizplus · Accepted Answer

Changing cardinalities, which refer to the relationships between tables, commonly occurs in database redesign. It may involve transforming a one-to-one relationship into a one-to-many or many-to-many relationship, or vice versa. This is done to reflect the changing business rules or requirements of the organization using the database.

Changing Cardinalities ________