如何在Rails中将我的数据库从SQLite更改为MYSQL

gem install mysql2

gem 'mysql2'

bundle install

development:
  adapter: mysql2
  encoding: utf8
  database: your_database_name_development
  username: your_username
  password: your_password
  host: localhost
  port: 3306

test:
  adapter: mysql2
  encoding: utf8
  database: your_database_name_test
  username: your_username
  password: your_password
  host: localhost
  port: 3306

production:
  adapter: mysql2
  encoding: utf8
  database: your_database_name_production
  username: your_username
  password: your_password
  host: localhost
  port: 3306

rails db:create

rails db:migrate