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下面一起来了解下如何管理数据库权限与角色,相信大家看完肯定会受益匪浅,文字在精不在多,希望如何管理数据库权限与角色这篇短内容是你想要的。
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授予用户的系统权限 SQL> grant create table,create sequence,create view to tpcc; Grant succeeded. 查询授予用户的系统权限 SQL> col grantee for a20 SQL> col privilege for a30 SQL> col admin_option for a15 SQL> select * from dba_sys_privs where grantee ='TPCC'; GRANTEE PRIVILEGE ADMIN_OPTION --------------- ------------------------------ --------------- TPCC CREATE TABLE NO TPCC UNLIMITED TABLESPACE NO TPCC CREATE VIEW NO TPCC ALTER SESSION NO TPCC CREATE SEQUENCE NO 撤销授予用户的系统权限 SQL> revoke create sequence from tpcc; Revoke succeeded. SQL> select * from dba_sys_privs where grantee ='TPCC'; GRANTEE PRIVILEGE ADMIN_OPTION --------------- ------------------------------ --------------- TPCC CREATE TABLE NO TPCC UNLIMITED TABLESPACE NO TPCC CREATE VIEW NO TPCC ALTER SESSION NO 授予用户的对象权限 SQL> grant select on scott.emp to tpcc; Grant succeeded. 查询授予用户的对象权限 SQL> col owner for a20 SQL> col table_name for a20 SQL> col grantee for a15 SQL> col grantor for a15 SQL> col privilege for a30 SQL> select grantee,owner,table_name,grantor,privilege from dba_tab_privs where grantee = 'TPCC'; GRANTEE OWNER TABLE_NAME GRANTOR PRIVILEGE --------------- -------------------- -------------------- --------------- ------------------------------ TPCC SYS DBMS_LOCK SYS EXECUTE TPCC SCOTT EMP SCOTT SELECT 撤销授予用户的对象权限 SQL> revoke select on scott.emp from tpcc; Revoke succeeded. SQL> select grantee,owner,table_name,grantor,privilege from dba_tab_privs where grantee = 'TPCC'; GRANTEE OWNER TABLE_NAME GRANTOR PRIVILEGE --------------- -------------------- -------------------- --------------- ------------------------------ TPCC SYS DBMS_LOCK SYS EXECUTE 查询数据库的角色 SQL> col role for a30 SQL> select * from dba_roles; ROLE PASSWORD_REQUIRED AUTHENTICATION_TYPE ------------------------------ ------------------------ --------------------------------- CONNECT NO NONE RESOURCE NO NONE DBA NO NONE SELECT_CATALOG_ROLE NO NONE EXECUTE_CATALOG_ROLE NO NONE DELETE_CATALOG_ROLE NO NONE EXP_FULL_DATABASE NO NONE IMP_FULL_DATABASE NO NONE LOGSTDBY_ADMINISTRATOR NO NONE DBFS_ROLE NO NONE AQ_ADMINISTRATOR_ROLE NO NONE 查询授予角色的权限 SQL> select * from role_sys_privs where role in ('CONNECT','RESOURCE'); ROLE PRIVILEGE ADMIN_OPTION ------------------------------ ------------------------------ --------------- RESOURCE CREATE SEQUENCE NO RESOURCE CREATE TRIGGER NO RESOURCE CREATE CLUSTER NO RESOURCE CREATE PROCEDURE NO RESOURCE CREATE TYPE NO CONNECT CREATE SESSION NO RESOURCE CREATE OPERATOR NO RESOURCE CREATE TABLE NO RESOURCE CREATE INDEXTYPE NO 查询授予用户的角色 SQL> col admin_option for a15 SQL> col default_role for a15 SQL> col granted_role for a30 SQL> select * from dba_role_privs where grantee = 'TPCC'; GRANTEE GRANTED_ROLE ADMIN_OPTION DEFAULT_ROLE --------------- ------------------------------ --------------- --------------- TPCC RESOURCE NO YES TPCC CONNECT NO YES 查询用户获得的权限 SQL> conn tpcc/tpcc Connected. SQL> select * from session_privs; PRIVILEGE ------------------------------ CREATE SESSION ALTER SESSION UNLIMITED TABLESPACE CREATE TABLE CREATE CLUSTER CREATE VIEW CREATE SEQUENCE CREATE PROCEDURE CREATE TRIGGER CREATE TYPE CREATE OPERATOR PRIVILEGE ------------------------------ CREATE INDEXTYPE
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