public static String isArgLengthEqual(){
		return (workloadCnt.length != actionName.length)? "workloadCnt or actionName" :
			(workloadCnt.length != readOnly.length)? "readOnly" :
			(workloadCnt.length != questionMark.length)? "questionMark" :
			(workloadCnt.length != queryCommand.length)? "queryCommand" :
			(workloadCnt.length != column.length)? "column" :
			(workloadCnt.length != table.length)? "table" : null;
	}