How to delete all data from all tables in Rails?

Question

I can do Post.delete_all to delete all my posts, but what if I want to delete all posts, comments, blogs, etc.?

How do I iterate over all my models and

Answer 1

In Rails 6, you can do rails db:truncate_all to remove all data without dropping any tables.

If you would like to seed your db after that, you could also do rails db:seed:replant to truncate all data and seed database