Author Question: MySQL supports AFTER triggers. Indicate whether the statement is true or ... (Read 77 times)

drink · **on:** Jul 7, 2018

MySQL supports AFTER triggers.

Indicate whether the statement is true or false

Question 2

When changing the minimum cardinality on the parent side of the relationship from zero to one, the foreign key ________.

A) must be changed from NULL to NOT NULL
B) must be changed from NOT NULL to NULL
C) must be changed to a composite key
D) must be changed to a surrogate key