I just realized why `rake db:migrate` takes so damn long at work.
Rails is generally designed assuming that the application will get its own database. This is normal in environments where “database” is a lightweight concept, as in MySQL, PostgreSQL, or SQLite. After updating the database, it dumps the database schema to a file so when you install a new copy of the application you don’t need to run dozens of migrations.
This works fine when there aren’t many tables unrelated to your…
