Truncate database in Ruby on Rails 6

Insteaed of chaining rails db:drop, rails db:create and rails db:migrate we are finally able to use one commend that will clean databse in case you have to seed it one more time:

rails db:truncate_all

NOTE: In older version of rails you can always use database_cleaner gem. Thanks to this gem you can run DatabaseCleaner.clean_with :truncation in rails console or create a rake task on your own.

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