?????????? ????????
????create tablespace xt_test datafile 'F:ORACLEORADATAORCLXT_TEST.DBF' SIZE 10M AUTOEXTEND ON NEXT 5M;
????CREATE USER privilege_test identified by privilege_test DEFAULT TABLESPACE xt_test;
????GRANT CREATE SESSION TO privilege_test;
????--?????????????
????GRANT CREATE TABLE TO privilege_test;--??????????????????????????????????????
????REVOKE CREATE TABLE FROM privilege_test;--?????????????????????drop????
????--??δ???????????????????? ???????dba_ts_quotas??????????????
????ALTER USER privilege_test QUOTA UNLIMITED ON xt_test;--????????????QUOTA UNLIMITED ON xt_test ????
????CREATE USER privilege_test identified by privilege_test DEFAULT TABLESPACE xt_test QUOTA UNLIMITED ON xt_test;
????--?????????????????
????GRANT CREATE TRIGGER TO privilege_test;--??????????????????
????--?????洢??????????
????GRANT CREATE PROCEDURE TO privilege_test;--????????create funtion?????
????REVOKE CREATE PROCEDURE FROM privilege_test;--?????????????????????drop????
????--??????????????
????GRANT CREATE SEQUENCE TO privilege_test;
????--???SYS????????????????????
????SELECT * FROM role_sys_privs t;--?????????????????????????????????
????--??CONNECT????????
????SELECT * FROM role_sys_privs t where t.role='CONNECT';
????CREATE SESSION
????--??RESOURCE????????
????SELECT * FROM role_sys_privs t where t.role='RESOURCE';
????1   RESOURCE    CREATE SEQUENCE NO
????2   RESOURCE    CREATE TRIGGER  NO
????3   RESOURCE    CREATE CLUSTER  NO
????4   RESOURCE    CREATE PROCEDURE    NO
???????????????RESOURCE???????????????????UNLIMITED TABLESPACE???????????user_sys_privs??????????????????user_role_privs???????????????????
???????
?????????????e?CONNECT??RESOURCE??????????????????????????????????????????????????????
??????????
????revoke dba from USER_NAME;--??????
?????????
????with admin option
????with admin option???????????????????????????????(??create any table)??????????????????????????????
??????????A?????create session with admin option?????A???create session???????B????????????A??create session???B??????create session???????????????????????B create session???????????revoke create session from B.
????System privilege?????У?create session??create table??create synonym??alter session????????????????????????????
????with grant option
????with grant option??????????????/????????????罫with grant option???? ??????? ???????????????????????????????????????????????????????????with grant option??????????????????????????Ч????grant select on table with grant option to A??A?????????????B????????????A?????B?????????Ч?????????????????????B??SELECT ON TABLE ????
????Object privilege??????Щ????table??index??function..??????????Щ??????????select??update??delete??
???????????? sys?????system?????????
????sys???????????????????????????????sysdba?????
????sys???????????????????? system??? ??????
???????????
????????Oracle?????????????Щ????????????Щ??????????????????????Group by??Order by??????????????????????????????????????????????????????????????