1.先在客户机中安装Oracle9i的客户端。
2.打开客户端的 Oracle Net Manager,在其中添加一个“服务命名”,过程如下:








3.设置服务命名后,可以打开%ORACLIENTHOME%/NETWORK/ADMIN目录下tnsnames.ora文件,我的设置如下:
ORACLE_192.168.1.112 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.112)(PORT = 1521))
)
(CONNECT_DATA =
(SID = ORCL)
)
)
4.在VC++6.0中设置连接字符串:
CString
m_sConn=_T("Provider=OraOLEDB.Oracle.1;Password=manager;Persist
Security Info=True;User ID=system;Data
Source=/"(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.112)(PORT=1521)))(CONNECT_DATA=(SID=ORCL)))/"");
5.OK