Database Redesign
Database redesign is not terribly difficult if the:

database is relatively small.
database is structured.
database has no data.
database is well-designed.

ANSWER DOWNLOAD EXAMIANS APP

Database Redesign
Changing cardinalities in a database is:

is impossible to do, so a new database must be constructed and the data moved into it.
a database design task that never occurs.
a common database design task.
a rare database design task, but does occur.

ANSWER DOWNLOAD EXAMIANS APP