What are database migrations in Python web development?
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What are database migrations in Python web development?
Database migrations are a way to manage changes to your database schema over time, allowing you to evolve your database structure without losing data.
How do I create a migration in Django?
In Django, you can create a migration by running the command python manage.py makemigrations, which generates migration files based on your model changes.
Can I roll back a migration?
Yes, you can roll back a migration using the command python manage.py migrate app_name migration_name, where migration_name is the name of the migration you want to revert to.
What happens if I forget to run migrations?
If you forget to run migrations, your database schema will not reflect the changes in your models, which can lead to errors when trying to access or manipulate data.
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