标题: ORA-12705: Cannot Access NLS Data Files after Install and Running Sqlplus [打印本页] 作者: 刘泽宇 时间: 2025-6-15 11:27 标题: ORA-12705: Cannot Access NLS Data Files after Install and Running Sqlplus 目标：
How to avoid the following error after install and running SQL*Plus?
ORA-12705: Cannot access NLS data files or invalid environment specified
(On the same PC, have many Oracle versions installed and the PATH variable is very long.)
处理方法：
1. Decrease the PATH variable length.
2. Use a .bat program to open a command line window, to set a short PATH and start sqlplus.