What are Django migrations and how do they work?

What are Django migrations and how do they work?

Django migrations are a way to propagate changes you make to your models (like adding a field) into your database schema.

How do I create a new migration in Django?

You can create a new migration by running the command python manage.py makemigrations after making changes to your models.

Can I roll back a migration if something goes wrong?

Yes, you can roll back a migration using the command python manage.py migrate app_name migration_name to revert to a previous state.

What happens if I forget to run migrations after changing models?

If you forget to run migrations, your database schema will not reflect the changes in your models, leading to potential errors.