instantclient_basic_windows.x64_11.2.0.3.0.zip 解压到任意目录,在这个目录下建立NETWORK文件夹,接着再这个文件夹下再建立ADMIN文件夹,然后建立tnsnames.ora文件,内容如下: ORCL = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 127.