Author Question: Inheritance is one of the major advantages of using the object-oriented model. Indicate whether ... (Read 15 times)

fagboi · **on:** Jul 7, 2018

Inheritance is one of the major advantages of using the object-oriented model.

Indicate whether the statement is true or false

Question 2

When each nonprimary key attribute is identified by the whole key, the relation is said to be in at least:

A) second normal form.
B) third normal form.
C) fourth normal form.
D) fifth normal form.
E) a relational form.

ankilker · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

TRUE
Explanation: For instance, there is no need for a programmer to write code that has already been written for a superclass.
CL

Answer to Question 2

A
Explanation: A) Second normal form deals with composite primary keys where part of the key determines another non-key attribute.
CL