oracle 密码 重置，

D:\app\Administrator\product\11.2.0\dbhome_1\BIN>
D:\app\Administrator\product\11.2.0\dbhome_1\BIN>sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.2.0 Production on Thu Dec 20 13:52:36 2012

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Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> alter user sys identified by password;

User altered.

SQL> alter user ACHADMIN identified by ACHADMIN;

User altered.

SQL> alter user ACHSPADMIN identified by ACHSPADMIN;

User altered.

SQL> alter profile default limit password_life_time unlimited;

Profile altered.

SQL>