I am using the code:-

strCon = "Driver={Micros oft ODBC for Oracle}; " & "SERVER= abc; uid=abc;pwd=abc ;"

Dim oCon As Object
Set oCon = New ADODB.Connectio n
Dim oRs As Object
Set oRs = New ADODB.Recordset
oCon.Open strCon

while connecting this with installed oracle client it works
but without oracle client it doesnt work, i need this work without...