Relationships in SQL
Learn how to translate relationships between objects in your application into the database language
Estimated Effort2 hrs/week
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About this course
For a developer working with complex objects and relationships between them, it's important to know how best to store and retrieve that data from the database, and map the code objects to the relational data in the database.
In this course, you will learn to map your business critical data from your application code to a SQL database efficiently and elegantly, and learn key SQL features to help minimize application complexity.
In this course, you'll learn how to:
- Combine data from multiple data sources using joins
- Model one-to-many object relationships in a relational database
- Use foreign key constraints to ensure referential integrity
- Model many-to-many relationships in a relational database
- Model object inheritance in a relational database
- ...and more!
PrerequisitesWe recommend that you complete the following course before starting this one:
- Getting Started with SQL for Application Developers
- 2 hours