MySQL修改密码策略、密码安全等级

#查看初始密码策略

SHOW VARIABLES LIKE 'validate_password%'; 

#设置密码安全等级为LOW
set global validate_password_policy=LOW;

#设置必须包含大小写字数量符为0
set global validate_password_mixed_case_count = 0;

#设置必须包含特殊字符数量为0
set global validate_password_special_char_count = 0;

#设值必须包含数字的数量为0
set global validate_password_number_count = 0;

#修改mysql密码为123
alter user root@localhost identified by '123';

#授权root用户可以在任意IP使用密码123登录
grant all privileges on *.* to 'root'@'%' identified by '123' with grant option;

#刷新权限
flush privileges;