Oracle权限-系统权限与对象权限
发布时间：2020-12-12 14:26:09 所属栏目：百科 来源：网络整理
导读：系统权限与对象权限 一、系统权限 1、创建用户 SQL create user dog identified by wangwang; User created SQL create user pig identified by hengheng; User created SQL create user fox identified by youyou; User created SQL create user cat identi
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系统权限与对象权限
一、系统权限 1、创建用户 SQL> create user dog identified by wangwang; User created SQL> create user pig identified by hengheng; User created SQL> create user fox identified by youyou; User created SQL> create user cat identified by miaomiao; User created 2、给cat赋权 SQL> grant create session,select any table,create table,create view to cat; Grant succeeded 3、cat给dog赋权 SQL> conn cat/miaomiao; Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 Connected as cat SQL> grant create session,create view to dog; grant create session,create view to dog ORA-01031: 权限不足 给cat赋权时没有再赋权的权力，需加 :WITH ADMIN OPTION 4、收回权限 revoke SQL> revoke create session,create view from cat; Revoke succeeded 5、权限查看 SQL> select * from dba_sys_privs where grantee='CAT'; GRANTEE PRIVILEGE ADMIN_OPTION ------------------------------ -------------------- ------------ 二、对象权限8个 execute,alter,select,insert,update,delete,index,references 1、授权emp表给所有用户 SQL> grant select on emp to public; Grant succeeded 查看 SQL> select * from user_tab_privs_made; GRANTEE TABLE_NAME GRANTOR PRIVILEGE GRANTABLE HIERARCHY ------------------------------ ------------------------------ ------------------------------ -------------------- --------- --------- PUBLIC EMP SCOTT SELECT NO NO 2、授权表中某列给用户 SQL> grant update(sal) on emp to cat; Grant succeeded SQL> grant update(job) on emp to cat; Grant succeeded 查看 SQL> select * from user_col_privs_made; GRANTEE TABLE_NAME COLUMN_NAME GRANTOR PRIVILEGE GRANTABLE ------------------------------ ------------------------------ ------------------------------ ------------------------------ -------------------- --------- CAT EMP SAL SCOTT UPDATE NO CAT EMP JOB SCOTT UPDATE NO （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |