1.下载Toad for Oracle 12.1,Ora10InstantClient这两个软件
2.安装Ora10InstantClient客户端
3.配置系统环境变量
ORACLE_HOME=C:\app\Administrator\product\11.2.0\dbhome_1
TNS_ADMIN=C:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN
NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK
4.启动Toad for Oracle 12.1 toad.exe