ADO访问数据库整理

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;"   

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