GR Field Name Codes

Select label_class_code, language, label_class_description
            From gr_label_classes_tl
            Where (:P_label_class_select1 IS NULL OR
                         label_class_code >= :P_label_class_select1)
            and      (:P_label_class_select2 IS NULL OR
                        label_class_code <= :P_label_class_select2)
            and     (:P_language_select1 IS NULL OR
                       language >= :P_language_select1)
            and     (:P_language_select2 IS NULL OR
                       language <= :P_language_select2)
            order by 1