True Or False

Question 11 :

In a relation, the order of the columns does not matter.


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

Question 12 :

A functional dependency is a relationship between or among attributes.


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

Question 13 :

A key is a group of one or more attributes that uniquely identifies a row.


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

Question 14 :

Keys made up of two or more attributes are called composite keys.


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

Question 15 :

Given the functional dependency R ? S , R is called the determinant.


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