1. 查询系统账号:SELECT *FROM mysql.USER
2. 添加系统账号并授权:
(1) 创建用户sqlone从ip为192.168.100.124的主机连接到mysql服务器,密码为h3c,并赋予全部的权限
GRANT ALL PRIVILEGES ON *.* TO 'sqlone'@'192.168.100.124' IDENTIFIED BY 'h3c' WITH GRANT OPTION;
FLUSH PRIVILEGES;
(2) 创建用户sqlone从ip为192.168.100.124的主机连接到mysql服务器,密码为h3c,并赋予查改删的权限
GRANT select,update,delete ON *.* TO 'sqlone'@'192.168.100.124' IDENTIFIED BY 'h3c' WITH GRANT OPTION;