11g通过一个参数设置密码大小写敏感，下面来做个试验：
C:\Documents and Settings\guogang>sqlplus gg_test/gg_test@10.10.15.25_gg
SQL*Plus: Release 10.2.0.1.0 – Production on 星期一 8月 4 17:54:19 2014
Copyright (c) 1982, 2005, Oracle. All rights reserved.
连接到:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 – 64bit Produ
