For a start, asking a better question will get better answers: http://www.catb.org/~esr/faqs/smart-questions.html
Googling for python odbc gives this as the first result: http://www.python.org/windows/win32/odbc.html In general, how you compare database tables will depend a lot on the nature of the tables: e.g. are you comparing names to names, rows to rows, apples to oranges, etc.? -- http://mail.python.org/mailman/listinfo/python-list
