查看oracle 11g数据库用户的密码是否区分大小写

用sys用户sqlplus连接到数据:

SQL*Plus: Release 11.2.0.3.0 Production on Thu Jun 22 11:07:58 2017

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining,
Oracle Database Vault and Real Application Testing options

SQL> show 　parameter sec_case_sensitive_logon;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
sec_case_sensitive_logon boolean TRUE

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>