Exercise 1

This exercise will test your knowledge of 2NF.

We'll cover the following

Problem Statement#

First, determine whether the following table is in second normal form. If it is not in 2NF, then convert it into 2NF.

Customer-Order Table

Cust_Id Cust_Name Order_Id Order_Detail Order_Category
1 Jack 34 Shampoo Hygiene
2 Bruce 22 TV Electronics
3 Amanda 84 Shirts Clothing
4 James 12 Shoes Clothing
2 Bruce 62 Glasses Clothing
5 Veronica 84 Shirts Clothing

Take your time with this problem. Take a look at the second normal form lesson if you have trouble remembering the concept.

Hint: Start with identifying the primary key.


We will discuss the solution in the next lesson.

Boyce-Codd Normal Form
Solution to Exercise 1
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