# 创建一个用户 create user username@'%' identified by 'password';
# 授权 grant all privileges on *.* to windy_db@'%' with grant option; # *.* 为所有权限, 也可以指定库和表 dbname.tablename # grant all privileges 为授权所有操作,也可单独指定 grant select,insert,update,delete,create,drop