What are Rails schema versions?

What are Rails schema versions?

Rails schema versions refer to the versioning of your database schema in a Ruby on Rails application. It helps manage changes to the database structure over time.

How do I check the current schema version in Rails?

You can check the current schema version by looking at the schema_migrations table in your database or by checking the db/schema.rb file.

What happens if I have multiple schema versions?

Having multiple schema versions can lead to inconsistencies. Rails uses migrations to manage these versions, ensuring that your database is in sync with your application.

Can I rollback to a previous schema version?

Yes, you can rollback to a previous schema version using the rails db:rollback command, which undoes the last migration.