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Mr. Dubey • 51.32K Points
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Q.) Changing cardinalities in a database is:

(A) a common database design task.
(B) a rare database design task, but does occur.
(C) a database design task that never occurs.
(D) is impossible to do, so a new database must be constructed and the data moved into it.
Correct answer : Option (A) - a common database design task.

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