Question: Explain how to change the minimum cardinality when a child that was required to have a parent is no longer required to have one.
Explain how to change the minimum cardinality when a child that was required to have a parent is no longer required to have one.
Step by Step Solution
3.32 Rating (167 Votes )
There are 3 Steps involved in it
First drop the foreign key constraint Second alter the colum... View full answer
Get step-by-step solutions from verified subject matter experts
