Oracle--->

Provider=MSDAORA.1;User ID=scott;Persist Security Info=False
Provider=MSDAORA.1;Password=tiger;User ID=scott;Persist Security 
Info=True

Sql Server--->

Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial 
Catalog=subrata;Data Source=SPMASTER
odbc
Provider=MSDASQL.1;Password=subrata;Persist Security Info=True;User 
ID=subrata;Data Source=subrata;Initial Catalog=subrata
Access--->

Provider=Microsoft.Jet.OLEDB.3.51;Persist Security Info=False;Data 
Source=E:\Program Files\Microsoft Visual Studio\VB98\Biblio.mdb