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第 36 章 Privilege

目錄

36.1. Account
36.1.1. show user
36.1.2. DEFAULT_TABLESPACE
36.1.3. unlock/lock
36.2. User
36.2.1. Create user
36.2.2. Drop user
36.2.3. Alter user
36.2.4. 修改密碼
36.2.5. Reset Password 忘記密碼重置密碼
36.3. grant
36.3.1. 列出權限
36.3.2. 查看用戶權限
36.3.3. 吊銷權限
36.3.4. System Privileges 系統權限
36.3.4.1. EM 權限
36.3.4.2. Granting and Revoking SYSDBA and SYSOPER Privileges
36.3.5. Object Privileges 對象權限
36.4. Opening the Encrypted Wallet

36.1. Account

select username,account_status from dba_users; 

select username,account_status from dba_users where account_status='OPEN';

select username,account_status from dba_users t where t.default_tablespace = 'USERS' and t.account_status = 'OPEN';
		

36.1.1. show user

			
SQL> show user;
USER is "SYS"

SQL> select user from dual;

USER
------------------------------
SYS
			
			

36.1.2. DEFAULT_TABLESPACE

用戶預設表空間

			
SQL> SELECT DEFAULT_TABLESPACE FROM DBA_USERS WHERE USERNAME='WCUSER';

DEFAULT_TABLESPACE
------------------------------
WCSDB

SQL> SELECT DEFAULT_TABLESPACE FROM DBA_USERS WHERE USERNAME=(select user from dual);

DEFAULT_TABLESPACE
------------------------------
SYSTEM


SQL> select username,account_status from dba_users t where t.default_tablespace = 'USERS' and t.account_status = 'OPEN';

USERNAME                       ACCOUNT_STATUS
------------------------------ --------------------------------
FINANCE                        OPEN
NEWS                           OPEN
			
			

36.1.3. unlock/lock

帳號加鎖與解鎖

alter user scott account unlock /lock;
			
SQL> alter user scott account unlock;

User altered.
SQL> select username,account_status from dba_users where username='SCOTT';

USERNAME                       ACCOUNT_STATUS
------------------------------ --------------------------------
SCOTT                          EXPIRED

SQL> alter user scott account lock;

User altered.

SQL> select username,account_status from dba_users where username='SCOTT';

USERNAME                       ACCOUNT_STATUS
------------------------------ --------------------------------
SCOTT                          EXPIRED & LOCKED

SQL>