As you learned in the previous chapter, Django models encapsulate data through classes, enforce data validation, are used to interact with a Django project’s relational database, and have a myriad of options to guarantee and customize how data operates in Django projects.
In this chapter we’ll build on the previous Django model concepts and learn about a Django model queries and managers . We’ll start with an in-depth look at Django model CRUD (Create-Read-Update-Delete) operations, including single, multiple, and relationship queries, covering their speed ...