Mac 安装mysql
brew install mysql
安装完8.0使用navicate无法连接则
mysql -u root -p 登录mysql
执行1:ALTER USER 'root'@'localhost' IDENTIFIED BY '你的mysql密码' PASSWORD EXPIRE NEVER;
执行2:ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '你的mysql密码';
执行3: FLUSH PRIVILEGES;
PHP连接MySql错误信息：
PDOException in Connection.php line 295
The server requested authentication method unknown to the client
解决方案：
确保php.ini文件中mysql扩展打开状态
找到my.cnf文件在末尾追加
innodb_buffer_pool_size = 16M
innodb_additional_mem_pool_size = 2M
innodb_log_file_size = 5M
innodb_log_buffer_size = 8M
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