MYSQL DATABASE YML FILE

When we create new app or we want to use mysql database then sometimes we forgot the mysql database.yml file setting:-

You can use this :-

gem 'mysql'

database.yml

   default: &default
      adapter: mysql2
      encoding: utf8
      pool: 5
      username: root
      password:
      socket: /opt/lampp/var/mysql/mysql.sock

  development:
      <<: *default
      database: database_name

  test:
      <<: *default
      database: database_name

  production:
      <<: *default
      database:  database_name
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