Oracle解锁与加锁（HR用户为例)

        SQL*Plus: Release 9.2.0.4.0 - Production on Tue Jul 14 18:12:38 2009

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　　SQL> conn sys/sys as sysdba

　　Connected.

　　SQL> show user

　　USER is "SYS"

　　SQL> desc dba_users

　　Name                Null?   Type

　　----------------------------------------- -------- ----------------------------

　　USERNAME           NOT NULL VARCHAR2(30)

　　USER_ID             NOT NULL NUMBER

　　PASSWORD               VARCHAR2(30)

　　ACCOUNT_STATUS         NOT NULL VARCHAR2(32)

　　LOCK_DATE                 DATE

　　EXPIRY_DATE                DATE

　　DEFAULT_TABLESPACE         NOT NULL VARCHAR2(30)

　　TEMPORARY_TABLESPACE          NOT NULL VARCHAR2(30)

　　CREATED             NOT NULL DATE

　　PROFILE             NOT NULL VARCHAR2(30)

　　INITIAL_RSRC_CONSUMER_GROUP          VARCHAR2(30)

　　EXTERNAL_NAME                VARCHAR2(4000)

　　SQL> set lines 200

　　SQL> select username,account_status from dba_users;

　　USERNAME        ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS          OPEN

　　SYSTEM          OPEN

　　DBSNMP             OPEN

　　SCOTT           OPEN

　　OUTLN           EXPIRED & LOCKED

　　WMSYS           EXPIRED & LOCKED

　　ORDSYS          EXPIRED & LOCKED

　　ORDPLUGINS         EXPIRED & LOCKED

　　MDSYS           EXPIRED & LOCKED

　　CTXSYS          EXPIRED & LOCKED

　　XDB             EXPIRED & LOCKED

　　USERNAME        ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　ANONYMOUS         EXPIRED & LOCKED

　　WKSYS           EXPIRED & LOCKED

　　WKPROXY        EXPIRED & LOCKED

　　ODM            EXPIRED & LOCKED

　　ODM_MTR        EXPIRED & LOCKED

　　OLAPSYS         EXPIRED & LOCKED

　　HR           EXPIRED & LOCKED

　　OE           EXPIRED & LOCKED

　　PM           EXPIRED & LOCKED

　　SQL> alter user hr account unlock;（解锁）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME        ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS          OPEN

　　SYSTEM          OPEN

　　DBSNMP             OPEN

　　SCOTT           OPEN

　　HR           EXPIRED

　　OUTLN           EXPIRED & LOCKED

　　WMSYS           EXPIRED & LOCKED

　　ORDSYS          EXPIRED & LOCKED

　　ORDPLUGINS         EXPIRED & LOCKED

　　QL> alter user hr identified by hr;（更改密码）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME        ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS          OPEN

　　SYSTEM          OPEN

　　DBSNMP             OPEN

　　SCOTT           OPEN

　　HR           OPEN

　　OUTLN           EXPIRED & LOCKED

　　SQL> conn hr/hr

　　Connected.

　　SQL> conn /as sysdba

　　Connected.

　　SQL> alter user hr account lock;（加锁）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME        ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS          OPEN

　　SYSTEM          OPEN

　　DBSNMP             OPEN

　　SCOTT           OPEN

　　HR           LOCKED

　　OUTLN           EXPIRED & LOCKED

　　SQL> alter user hr password expire;（密码失效）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME        ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS          OPEN

　　SYSTEM          OPEN

　　DBSNMP             OPEN

　　SCOTT           OPEN

　　OUTLN           EXPIRED & LOCKED

　　WMSYS           EXPIRED & LOCKED

　　OLAPSYS         EXPIRED & LOCKED

　　HR           EXPIRED & LOCKED

　　OE           EXPIRED & LOCKED

　　PM           EXPIRED & LOCKED

　　SQL> conn hr/hr

　　ERROR:

　　ORA-28000: the account is locked

　　Warning: You are no longer connected to ORACLE.