True Or False

Question 1 :

A foreign key is used to implement relationships between tables.


A). True
B). False
Answer : Option A

Question 2 :

The terms alternate key and candidate key mean the same thing.


A). True
B). False
Answer : Option A

Question 3 :

In 1:N relationships, which entity becomes the parent entity is arbitrary.


A). True
B). False
Answer : Option B

Question 4 :

When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.


A). True
B). False
Answer : Option A

Question 5 :

In a 1:1 relationship, the primary key placement is arbitrary.


A). True
B). False
Answer : Option A