Other things that confuse me about this code:

Should DESCRIPTION not be put down as DATA_SOURCE_DESCRIPTION?

When I run this code I get:

Undefined subroutine &Win32::ODBC::DataSources called at Data_B.pl lin
+e 13.
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What is the subroutine that I need for this code to work?

Can I specify the Server as 'local'?

I have tried switching Win32 to WinNT.

When do I use Win32::ODBC and when do I use DBD::ODBC?

Please answer any points that you can.