$ brew update $ brew install mysql@5.7 # インストール成功 $ mysql --version mysql Ver 14.14 Distrib 5.7.38, for osx10.16 (x86_64) using EditLine wrapper # my.confを編集 $ find /usr/local/Cellar/mysql@5.7/5.7.38/ -name "my*.cnf" /usr/local/Cellar/mysql@5.7/5.7.38//.bottle/etc/my.cnf $ vi /usr/local/Cellar/mysql@5.7/5.7.38//.bottle/etc/my.cnf # 以下を追記 character-set-server=utf8 default_authentication_plugin=mysql_native_password # 起動 $ mysql.server start Starting MySQL SUCCESS!