Oracle基础 08 用户角色 user/role

--查询帐户的状态
select username,account_status from dba_users  
where username='SCOTT';

--创建用户
create user john identified by john
default tablespace users
quota 5m | unlimited on users

--为新用户授予权限
grant connect to john 
grant resouce to john

alter user john quota 10m on users;  --用户配额
select * from  dba_ts_quotas;          --查询配额
 
alter user john password expire;       --帐户状态过期
alter user john account lock;          --锁定账户
alter user john account unlock;        --解锁账户

--授予用户权限
grant create session to john;  
grant create session to john with admin option;
grant select,insert,update on scott.bmb to john;
grant select on scott.gzb to public;

--查询用户角色权限
SQL> select tt.granted_role from dba_role_privs tt
  2  where tt.grantee='SCOTT';

GRANTED_ROLE
------------------------------
RESOURCE
CONNECT

--查询用户系统权限
SQL> select tt.privilege from dba_sys_privs tt
  2  where tt.grantee='SCOTT';

PRIVILEGE
----------------------------------------
UNLIMITED TABLESPACE

--删掉用户(用户在连接状态)
select sid,serial#,username from v$session;    --查询用户会话进程
alter system kill session '150,974';           --杀掉该进程
drop user john cascade；                       --用户底下有对象的时候要加cascade

--查询用户对象
select owner,object_name from dba_objects      
where owner like 'JOHN';

--查询会话
select username from v$session    
where type='USER';

--创建角色
create role role1;   
create role role2 identified by role;
create role role3 identified globally;
create role role4 identified externally;

--授权给角色
grant create table,create view,create session to role5;
grant select,insert,update on scott.bmb to role5;

--删除角色
drop role role1;

--查询角色的权限
select * from dba_sys_privs
where grantee='ROLE5';

--查看概要文件
select username,profile from dba_users;

col resource_name format a30
col limit format a10
select resource_name,limit from dba_profiles 
where profile='DEFAULT' and resource_type='PASSWORD';