nstantclient-basic-win32-10.2.0.4.zip
1.解压到D:/instantclient_10_2
2.将D:/instantclient_10_2增加到PATH环境变量中
3.增加以下环境变量：
TNS_ADMIN=D:/instantclient_10_2
NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK (*)
ORACLE_HOME=D:/instantclient_10_2 (*)
(*)：可选
4.编辑tnsnames.ora设置本地NET服务名
databasename=
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = SID)
)
)