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>