def execute(self, conn, logical_file_name={}, transaction=False):
        """
	simple execute
        """
        if not conn:
	    dbsExceptionHandler("dbsException-db-conn-failed", "Oracle/FileBuffer/DeleteFiles. Expects db connection from upper layer.")

        self.dbi.processData(self.sql, logical_file_name, conn, transaction, returnCursor=True)