mysql -uroot -p000000 -e "show variables like 'char%';"
mysql -uroot -p000000 -e "select sysdate();"
mysql -uroot -p000000 -e "select user();"
mysql -uroot -p000000 -e "show variables like '%storage_engine%';"
mysql -uroot -p000000 -e "show variables like 'have%'"
update user as u,local_user as lu set u.enabled=0 where u.id=lu.user_id and lu.name='neutron';
select enabled from user as u,local_user as lu where u.id=lu.user_id and lu.name='nova';
insert into mysql.user(host,user,password)values("localhost","examuser",password("000000"));
use mysql
select host,user,password from user;
grant select,delete,update,create on *.* to "examuser"@"localhost" identified by "000000";
select * from local_user order by id desc;