Oracle用户管理

Oracle用户管理

用户的创建及修改

select * from dba_users;

select property_name ,property_value from database_properties where property_name like 'DEFAULT%';

create user Y identified by Y default tablespace user temporary tablespace temp;

alter user y identified by y;
alter user y account lock;
alter user y account unlock;

drop user y cascade;

权限

-- dba_sys_privs user_sys_privs
grant execute any procedure to scott with admin option;
revoke execute any procedure from scott;

-- role_sys_privs       角色拥有系统权限
-- role_tab_privs       角色拥有对象权限
-- user_sys_privs       用户拥有系统权限
-- user_tab_privs       用户拥有对象权限
-- user_role_privs      用户拥有角色权限
grant select on scott.emp to hr with grant option;
grant update(sal,mgr) on scott.emp to hr;
revoke select on scott.emp from hr;
revoke update on scott.emp from hr;

角色

create role my_role identified by my_role;

alter role my_role not identified;

drop role my_role;

set role my_role;
set role my_role identified by my_role;
set role all;
set role none;
set role all except my_role;