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Oracle?????????

1. ??????

1.1 ??????

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SQL> grant connect, resource to user50;

1.2 ??????

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SQL> select * from dba_role_privs;SQL> select * from dba_sys_privs;SQL> select * from role_sys_privs;

1.3 ??????

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SQL> drop user user50 cascade;

2. DBA????

2.1 ??DBA??

????????DBA??????

SQL> grant dba to user50;

2.2 ??DBA??

???DBA????????????

SQL> revoke dba from user50;

3. Oracle????

3.1 ????

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SQL> create role role1;

3.2 ??????

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SQL> grant create any table, create procedure to role1;

3.3 ??????

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SQL> select * from role_sys_privs;

3.4 ????

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SQL> drop role role1;

4. ???????

4.1 ???

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SQL> create table stud02.product(  id number(10),  name varchar2(20));

4.2 ???

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SQL> create table stud02.employee as select * from scott.emp;

4.3 ?????

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5. ????

5.1 ??????

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SQL> alter user acc01 identified by "12345";

5.2 ?????

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SQL> alter user acc01 default tablespace users;

5.3 ???????

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SQL> alter user acc01 quota 50m on account;

6. ????

6.1 ??????

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SQL> select username, sid, serial# from v$session;

6.2 ????

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SQL> alter system kill session 'sid, serial#';

7. ????

7.1 ??????

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SQL> select grantor, grantee, table_name, privilege from all_tab_privs;

7.2 ??????

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SQL> select grantee, owner, table_name, privilege from user_tab_privs;

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??????????????Oracle????????????????????????????

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