True Or False

Question 11 :

The DBMS allows surrogate keys to be changed.


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

Question 12 :

Cascading updates refers to child rows being automatically deleted when a parent row is deleted.


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

Question 13 :

When transforming an entity-relationship model into a relational database design, each entity is represented as a table.


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

Question 14 :

Surrogate keys have much meaning for users.


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

Question 15 :

When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.


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