------mysql
strConnect.Format("Provider=MSDASQL.1;Driver={%s};Server=%s;DataBase=%s;UID=%s;PWD=%s;",
"MySQL ODBC 5.2 Unicode Driver"//strDriver/*MYSQL驱动,如:"MySQL ODBC 3.51 Driver"*/,;
,"localhost"//strServerPath/*数据库路径,例子127.0.0.1*/, ;
,""//strDb/*数据库名*/, ;
,""//strUid/*用户名,默认为root*/, ;
,""//strPwd/*密码*/);
);
------oracle
_bstr_t strConn = "Provider=OraOLEDB.Oracle.1;Password=密码;Persist Security Info=True;User ID=用户名;Data Source=\"(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = IP地址)(PORT = 端口号)) )(CONNECT_DATA = (SID = 数据源)))\"";
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原文地址:http://www.cnblogs.com/dengpeng1004/p/3847974.html