Data_Normalization_Exercises__2___IST_21

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Page. 1 IST 210 - Data Normalization Exercise Dr. Stan Aungst Fall 2010 Due Date: 11 Oct. 2010 Data Normalization Basics This exercise consists of two exercises that will demonstrate your ability to normalize data using the first  three normal forms . Objectives After completing this exercise, you will be able to: Discuss why a table is not in the First Normal Form Convert an unnormalized table into the First Normal Form Take a table that is in the First Normal Form and convert it to the Second Normal Form. Take a table that is in the Second Normal Form and convert it to the Third Normal Form. Identify table keys. Assignment Below are a series of two exercises along with a list of requirements for completing each.  In the first  activity, you will be required to read through each of the steps and convert an unnormalized table into a  normalized table as you create an E-R diagram.  In the second activity, you will be required to take an  existing E-R diagram and create a database schema. Exercise I. Normalization of the ORDERS Table The purpose of this exercise is for you to demonstrate your ability to take an unnormalized table and  convert it up through the third normal form.  Upon completion of this exercise you will have: Discussed why the step one table is not normalized Converted the table in step one to the First Normal Form Converted the table created in step two into the Second Normal Form Converted the table created in step three into the Third Normal Form Identified all of the names, attributes, and keys associated with each of the tables Exercise 1 Directions  To complete exercise one, you should do the following: 1. Read and complete each of the four steps identified under exercise one 2. Create a response for each step listed under exercise one 3. Create your response in MS Word 4. When appropriate, use the table feature within Word to create your tables.
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