C:\Users\admin>sqlplus "/as sysdba"

SQL*Plus: Release 11.2.0.1.0 Production on 星期一 10月 21 14:55:16 2013

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连接到:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> ALTER SYSTEM SET SEC_CASE_SENSITIVE_LOGON = FALSE;

系统已更改。

SQL> show 　parameter? sec_case_sensitive_logon;

NAME???????????????????????????????? TYPE??????? VALUE
------------------------------------ ----------- ------------------------------
sec_case_sensitive_logon???????????? boolean???? FALSE
SQL>