Introducing Database Normalization
Explore the fundamentals of database normalization to improve data integrity and efficiency. Understand common data anomalies like insert, update, and delete issues, and learn how the first and second normal forms help structure databases properly. This lesson equips you to implement normalization using primary and foreign keys for better database design.
We'll cover the following...
Normalization is a process that Robert Boyce and Edgar Codd created back in the 1970s to optimize a database as much as possible. Each step of the normalization process has a form, which ranges from one to five, where five is the highest normal form.
By standard practice, every database must go through the normalization process.
We can implement up to the third normal form in most databases without negatively impacting functionality.
The main goal is to maintain the following:
- Integrity of data
- Optimize the database’s efficiency
- Provide a more efficient method of tracking
- Storing data
- Avoid any data issues
Data anomalies
Speaking of avoiding data issues, there are some points to be aware of, like data anomalies, which can create data ...