How to Perform AND Queries in Django ORM

"Django, as a popular web framework, provides a powerful Object-Relational Mapping (ORM) system that allows developers to interact with the database using Python code, abstracting away raw SQL queries. One common requirement in building web applications is to perform complex database queries with multiple conditions. In this article, we will explore how to execute AND queries using Django's ORM to filter data from the database based on multiple conditions."

"Using Multiple Conditions in a Single Filter Django ORM also supports combining multiple conditions within a single filter() call using keyword arguments. Each keyword argument represents an AND condition. # Example: Combining multiple conditions in a single filter result = MyModel.objects.filter(condition1=value1, condition2=value2) Combining Multiple Filters with Q Objects For more complex AND queries involving different operators, Django provides the Q objects to create sophisticated queries. # Example: Combining multiple filters with Q objects for complex AND query from django.db.models import Q result = MyModel.objects.filter(Q(condition1=value1) & Q(condition2=value2)) The Q object allows us to create complex queries by combining multiple conditions with logical operators."

Django ORM supports multiple approaches to perform AND queries to filter database records by combining conditions. Chaining filter() calls applies successive constraints to narrow a queryset. A single filter() call can accept multiple keyword arguments, where each keyword acts as an AND condition. For more complex conditions and different operators, Q objects enable combining expressions with the & operator for AND logic and other logical combinations. Practical filtering examples include retrieving active users with a specific role by applying is_active and role conditions together in a queryset filter.

Read at Djangocentral