rake db:reset

export RAILS_ENV="development"

Dropped database 'db'
Database 'db' does not exist

RAILS_ENV=development rake db:drop

Dropped database 'db'
Database 'db' does not exist

default: &default
  adapter:mysql2
  pool: 5
  timeout: 5000

development:
  <<: *default
  database: db
  username: something
  password: something
  host: localhost
  port: 3306

test:
  <<: *default
  database: db_test
  username: something
  password: something
  host: localhost
  port: 3306