DSN方式


 


DSN里面都是ODBC驱动


 


Driver do Microsoft Access (*.mdb) 

Microsoft Access Driver (*.mdb)

Microsoft Access-Treiber (*.mdb)    ODBCJT32.DLL


 


Microsoft ODBC for Oracle  MSORCL32.DLL


 


SQL Server SQLSRV32.DLL


 


Oracle in OraHome92 odbc32.dll


 


DSN Less方式


 


1 ODBC方式


 


ADO 缺省值是MSDASQL,此外还有MSIDXS和ADSDSOObject


 


Oracle

"Provider=MSDASQL;DRIVER={Microsoft ODBC for ORACLE};UID=User;PWD=Password;Server=Your_TNSNames_Alias"


 


Access


"Provider=MSDASQL;DRIVER={Microsoft Access Driver (*.mdb)};DBQ=zjgadb/zjsjdb.mdb;DefaultDir=;"


 


MS SQLServer

"Provider=MSDASQL;Driver={SQL Server};Server=localhost;User ID=sa;Password=sa;Data Source=zcps"


"Provider=MSDASQL;Driver={SQL Server};Server=localhost;Uid=sa;Pwd=sa;Database=zcps"


 


2 OLE DB方式


 


ADO2.0/2.1提供的OLE Provider:


 


Oracle:

MSDAORA (OLE DB Provider for Oracle)

    "Provider=msdaora;Data Source=MyOracleDB;User Id=UserName;Password=asdasd;" (MS Provider)

    "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;User Id=Username;Password=asdasd;" (Oracle)


 


Access:

Microsoft.Jet.OLEDB.3.51(OLE DB Provider for Microsoft Jet( for ACCESS))

    "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;User Id=admin;Password=;"


 


MS SQLServer:

SQLOLEDB(Microsoft SQL Server OLE DB Provider)

    "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;User Id=sa;Password=asdasd;"