mysql用户基本操作

创建用户
create user ‘username’@’%’ identified by ‘password’;
create user ‘username’@’host’ identified by ‘password’;

授权
grant privileges on databasename.tablename to ‘username’@’host’;
grant SELECT, INSERT on databasename.tablename to ‘username’@’host’;
grant all on . to ‘username’@’%’;

撤销权限
revoke privilege on databasename.tablename from ‘username’@’host’;

删除用户
DROP USER ‘username’@’host’;

刷新系统权限表
flush privileges;