Django in Action

4 Django ORM

This chapter covers

• Interacting with a database through the Django ORM
• Creating objects that map to database tables
• Querying the database
• Building object relationships
• Loading and storing content through fixtures

This chapter introduces you to Django’s object relational mapping (ORM), an object-oriented abstraction for interacting with databases. Django provides a way to create, read, update, and delete both data and tables in a database to add storage capabilities to your website.

4.1 Interacting with a database

Until now, RiffMates has been composed of mostly static content. You learned how to write views that are called when a user visits a URL, and inside those views, you created small dictionaries to provide context ...