–授予权限

grant insert,select,update,delete on table to user;

grant dba,resource to ytpbl;

grant create any sequence to ytpbl;

–撤销

revoke

REVOKE CONNECT, RESOURCE FROM 用户名;

REVOKE SELECT ON 表名 FROM 用户名;

REVOKE SELECT, INSERT, DELETE ON 表名 FROM 用户名1, 用户名2;

–Oracle查询用户,表相关信息…

–用户

SELECT * FROM DBA_USERS;

SELECT * FROM ALL_USERS;

SELECT * FROM USER_USERS;

–系统权限

SELECT * FROM DBA_SYS_PRIVS;

SELECT * FROM SESSION_PRIVS;

SELECT * FROM USER_SYS_PRIVS;

–角色

SELECT * FROM USER_ROLE_PRIVS;

SELECT * FROM DBA_ROLES;

–对象权限

select * from user_tab_privs ;

select * from user_tab_privs where table_name like ‘%AAAAA%’;

select * from dba_tab_privs;

select * from dba_tab_privs a where grantor=‘AAAA’ and a.owner not in (‘BBBB’) order by a.grantor;

select * from all_tab_privs;

–表查询

select * from user_tab_comments;

select * from user_col_comments