This class will handle the whole connection with the data base holding the
connection object together with the utility object as static declared and
accordingly all the child classes will use the very same connection object
and utility.
This sql will select the count of all the records of the iso 8583
structurs table coresponding to the supplied message ID, file usage and
format of course.
This method will validate the given address and will return the result,
the validation contains whether the given country code exists and if so,
whether the given state exists.