True Or False

Question 16 :

(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.


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

Question 17 :

When the parent entity is required and the parent has a surrogate key, update actions can be ignored.


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

Question 18 :

When the parent entity is required, a new parent row can always be inserted.


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

Question 19 :

For every relationship, there are six possible referential integrity actions.


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

Question 20 :

An ideal primary key is short, numeric and seldom changing.


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