Oracle 用户管理

create user ok identified by ok;
grant create session to ok;

alter user ok identified by ok1;

select * from dba_users;

select sid,serial#,username from v$session;
select sid,serial#,username from v$session where type='user';

alter system kill session 'sid,serial#';

select owner,object_name from dba_objects where owner like ' ok';

drop user ok;

drop user ok cascade;// 删除用户之前，先删除用户的模式下的对象