Changing cardinalities in a database is – McqOptions

MCQOPTIONS

1.	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
Answer» B. A rare database design task, but does occur

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