Set Up variables

[Jose Vicente]

Hi, again.
What I have to do in this case: in README file of that module I find:
  
set-up these environment variables:
    DBI_DSN   The dbi data source, e.g. 'dbi:ODBC:YOUR_DSN_HERE'
    DBI_USER  The username to use to connect to the database
    DBI_PASS  The username to use to connect to the database
    ODBCHOME  (Unix only) The dir your driver manager is ins

I would liketo know how I can do that, please help me.

Thanks a lot.