Introduction to Relational Databases in SQL

SQL is the most common way to query databases. Databases can also be used for other purposes. You can model many phenomena and their relationships. This will help you ensure your data is consistent and has a better structure. You will see this when you examine real data about questionable university affiliations. This will show you how databases can be used for your benefit column-by-column and table-by-table. You will learn how to create tables and relationships as well as how to maintain data integrity. You will also learn about constraints and other unique features.