What does rake db migrate do?
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Likewise, what does rake db create do?
Rake is a utility built into Ruby and Rails, which provides an efficient way for managing database changes. You can easily migrate database changes to servers by only using a command line!
Additionally, how does DB Migrate work? A Rails migration is a tool for changing an application's database schema. Instead of managing SQL scripts, you define database changes in a domain-specific language (DSL). The code is database-independent, so you can easily move your app to a new platform.
Herein, what does rake db drop do?
db:drop Drops the database for the current RAILS_ENV environment. If RAILS_ENV is not specified it defaults to the development and test databases. db:drop:all Drops the database for all environments. db:migrate Runs migrations for the current environment that have not run yet.
What is a migration in Rails?
Migrations are a feature of Active Record that allows you to evolve your database schema over time. Rather than write schema modifications in pure SQL, migrations allow you to use a Ruby DSL to describe changes to your tables. The rails commands that manipulate migrations and your schema.