Changing the datasource in an excel file

Hi,
we used Oracle ODBC Version 7.3 V2.5 for a lot of Excel sheets. Now we are upgrading to ODBC Version 8.0.5 because the old version makes problems with Windows 2000.
As the datasource is stored in the Excel file I need to know how to change the data source in the Excel file without having to create all the queries from scratch.
Can anyone help me with that problem?
Thanks, Jens

OK. The section
DRIVER={Oracle ODBC Driver};SERVER=fe;UID=scott;;DBQ=fe;DBA=W;APA=T;PFC=1;TLO=O;
is called your connection string. Your Excel script is using this rather than a DSN to specify the driver to use and the parameters for the connection.
If you install the latest Oracle ODBC driver for the 8.0.5 client, I believe that the driver name will need to change to "Oracle ODBC Driver in <name of your Oracle Home>". If you're using an older version of the driver that is not multi-home compliant, the driver name will remain the same. If this is going to be run on a lot of machines, you may want to consider changing to use a DSN rather than specifying the driver name, just in case other people used different Oracle Home names when they were installing. If you set up a DSN named "DSNfe", your connection string would be something like:
DSN=DSNfe;UID=scott;PWD=tiger
The other thing you need to ensure is that you have a tnsnames.ora entry in your 8.0.5 Oracle Home named "fe" that tells your client how to connect to the database.
As a side note, the "SERVER=fe;" option is ignored by the Oracle driver, it's not a valid connection string attribute.
Justin

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