Ashford University Week 3 Database Normalization Questions

Question Description

I’m working on a databases multi-part question and need a sample draft to help me learn.

part 1

Database Normalization

Prior to beginning this discussion, read Chapter 5: Advanced Data Modeling and Chapter 6: Normalization of Database Tables from the course text. In addition, you may also want to complete problems 10.a, 10.b, and 10.c in Chapter 6. These problems will assist you in completing this discussion.

In relational database design, the process of organizing data to minimize redundancy usually involves dividing a database into two or more tables and defining relationships between the tables. In your initial post, list the first three normal forms, and describe the criteria required to satisfy each one of them. Support your analysis with practical examples.

Part 2

Normalization Versus Denormalization

Database normalization is the process of organizing the columns (attributes) and tables (relations) of a relational database to reduce data redundancy and improve data integrity. Denormalization is the reverse process of the normalization process. Denormalization works by adding redundant data or grouping data to optimize the performance. For this assignment:

Denormalize the following three tables, into one table called tbl_location:
- tbl_state contains (state_id,state_name)
- tbl_county contains (conty_id,county_name)
- tbl_city contains (city_id,city_name).
Discuss the steps you took to create the new tbl_location table and if the new table design increased or decreased the performance of the query.

Take a screen shot of the new combined table and attach it (via a Word document) with your response in your initial post.

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