How do database migrations work in different frameworks?

How do database migrations work in different frameworks?

Database migrations are a way to manage changes to your database schema over time. Different frameworks have their own tools and conventions for handling migrations.

Can you give examples of how migrations are handled in Django and Rails?

In Django, you use the makemigrations and migrate commands to create and apply migrations. In Rails, you use rails generate migration to create a migration file and rails db:migrate to apply it.

What are some common challenges faced during database migrations?

Common challenges include handling data loss, ensuring downtime is minimized, and managing dependencies between migrations.

Are there best practices for performing migrations?

Yes, best practices include backing up your database, testing migrations in a staging environment, and keeping migrations small and focused.