Waldemar, >> I found the following solutions: >> >> - DCOracle (no binaries for win32) >> - ADO with win32 extensions >> - ODBC with win32 extensions >> - mxODBC > You have missed cx_Oracle No, he did not. Also the author of cx_Oracle is very helpfull and friendly (and the licensing is cheaper (=0) than mxODBC) - there are no versions for Oracle 7.x.