Tom,

I'm not sure that the Oracle driver supports DSN-less connections. One way to find the parameter names the driver is expecting is to create a file DSN in the ODBC manager and then open the file and see what the parameters are named. If you can't get the DSN-less connection working you can have your application create a DSN automatically. There's a good article about this in the UT knowledge base by Mark MacCassland. Click the purple book icon and search for Oracle. The title is something like "Connecting to Oracle using ODBC."

>Okay, I am very close. I am trying to connect to both
>SQL Server and Oracle 8. I do have the ODBC drivers on the
>machine but do not want to create all the DSNs on each machine.
>
>The following connection string works as is (server, database,
>uid and pwd changed to protect the innocent):
>
>cconn = "driver={SQL Server};server=ipaddr; database=db;uid=user;pwd=password;"
>
>After running the next statement I successfully connect to the
>server:
>
>xx=sqlstringconnect(cconn)
>
>So I figured that this would be easy to do on Oracle also. I
>used the following connection string:
>
>cconn = "driver={Oracle ODBC Driver};server=ipaddr;database=
>db;uid=user;pwd=password;"
>
>When I tried ?SQLStringConnect(cconn) using the Oracle specific
>information I get an Oracle ODBC Driver Connection dialog box that asks me for the Server Name. After I enter the same value passed
>in the database argument to the Service Name the connection succeeds.
>
>What is the name of the parameter to pass instead of database for the Oracle connection to work without displaying the dialog box?
>
>Tom Bellmer