Today's lesson in the Django series focuses on integrating real database operations into our web application, specifically through models and migrations. Here’s a summary of what was covered:
Key Concepts Covered
-
Models:
- Models define the structure of data stored in the database.
- Example model:
Postwith fields liketitle,content, andcreated_at.
-
Migrations:
- Migrations are used to apply changes made to models to the actual database schema.
- Running
makemigrationsgenerates migration files, andmigrateapplies them.
-
ORM (Object-Relational Mapping):
- Django's ORM allows you to interact with the database using Python code rather than SQL.
- Example:
Post.objects.filter(is_published=True).order_by('-created_at').
-
Admin Panel:
- The admin panel provides a user interface for managing data in your models without writing any additional views or templates.
-
Views and Templates:
- Views fetch real data from the database using ORM queries.
- Templates render this data into HTML, allowing dynamic content generation based on actual database entries.
Example Code
Models
Read the full article at DEV Community
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