SDO_DAS_Setting::isSet Test whether a property was set prior to being modified &reftitle.description; boolSDO_DAS_Setting::isSet &warn.experimental.func; Test whether a property was set prior to being modified. If it was set prior to being modified then the SDO_DAS_Setting will also contain the old value. &reftitle.parameters; None. &reftitle.returnvalues; Returns &true; if the property was set prior to being modified, otherwise returns &false;.