select '합계', '','' ,'' , sum(금액) as 합계
(select T2.ComName AS 직급
     , T3.ComName AS 성별
  , T5.SalDT AS 지급일
  , T6.SalName AS 공제명
  , Sum(T5.Money) AS 금액
  from Employee T1
  Inner join ComCode T2
       On T1.Grade = T2.ComCD
  Inner join ComCode T3
       On T1.Gender = T3.ComCD
  Inner join Salary T4
       On T1.EmpNO = T4.EmpNO
  Inner join SalDetail T5
       On T4.EmpNO = T5.EmpNO
    and T4.SalDT = T5.SalDT
  Inner join SalComCode T6
       On T5.SalCode = T6.SalCode
 where T2.CodeGroupCD = 'H1'
   and T3.CodeGroupCD = 'H2'
   and T6.SalDIV = 'D'
   and T5.SalDT like '2013%'
 group by T5.SalDT, T2.ComName, T3.ComName, T6.SalName)

union all밑에다가 붙이시면됨

요롷게하면 가능할꺼가튼데요?

group by ((T5.SalDT, T2.ComName, T3.ComName, T6.SalName))

와

직급쪽에 CASE 문 넣으면 되요.

아래 예제 SQL 문장이면 도움 되실거 같네요.

WITH T (JOB, SEX, SAL_DT, SAL_NM, AMT) AS
  ( SELECT '과장1', '남', '20130120', '건강보험', 300000 FROM DUAL UNION ALL
    SELECT '과장2', '남', '20130120', '고용보험', 450000 FROM DUAL UNION ALL
    SELECT '과장3', '남', '20130120', '국민연금', 753000 FROM DUAL UNION ALL
    SELECT '과장4', '남', '20130120', '기타공제', 480000 FROM DUAL UNION ALL
    SELECT '과장5', '여', '20130120', '건강보험', 100000 FROM DUAL UNION ALL
    SELECT '과장6', '여', '20130120', '고용보험', 140000 FROM DUAL UNION ALL
    SELECT '과장8', '여', '20130120', '국민연금', 245000 FROM DUAL UNION ALL
    SELECT '과장9', '여', '20130120', '기타공제', 160000 FROM DUAL 
   )
SELECT CASE WHEN GROUPING_ID(JOB, SEX, SAL_DT, SAL_NM, AMT) > 0 
            THEN '합계'
            ELSE JOB
       END  JOB
     , SEX, SAL_DT, SAL_NM, SUM(AMT)
     , GROUPING_ID(JOB, SEX, SAL_DT, SAL_NM, AMT) AS G_ID
  FROM T
 GROUP BY ROLLUP ((JOB, SEX, SAL_DT, SAL_NM, AMT)) ;

-- 전체 합계는 그룹바이 없이 하면 됩니다.
-- 정렬구문은 Union 이 불가하니 정렬을 맨 뒤로 빼세요.
SELECT t2.comname    AS 직급
     , t3.comname    AS 성별
     , t5.saldt      AS 지급일
     , t6.salname    AS 공제명
     , SUM(t5.money) AS 금액
  FROM employee t1
 INNER JOIN ComCode    t2 ON t1.grade   = t2.comcd
 INNER JOIN comcode    t3 ON t1.gender  = t3.comcd
 INNER JOIN salary     t4 ON t1.empno   = t4.empno
 INNER JOIN saldetail  t5 ON t4.empno   = t5.empno   AND t4.saldt = t5.saldt
 INNER JOIN salcomcode t6 ON t5.salcode = t6.salcode
 WHERE t2.codegroupcd = 'H1'
   AND t3.codegroupcd = 'H2'
   AND t6.saldiv = 'D'
   AND t5.saldt LIKE '2013%'
 GROUP BY t2.comname, t3.comname, t5.saldt, t6.salname
 UNION ALL
SELECT '합계'        AS 직급
     , Null          AS 성별
     , Null          AS 지급일
     , Null          AS 공제명
     , SUM(t5.money) AS 금액
  FROM employee t1
 INNER JOIN ComCode    t2 ON t1.grade   = t2.comcd
 INNER JOIN comcode    t3 ON t1.gender  = t3.comcd
 INNER JOIN salary     t4 ON t1.empno   = t4.empno
 INNER JOIN saldetail  t5 ON t4.empno   = t5.empno   AND t4.saldt = t5.saldt
 INNER JOIN salcomcode t6 ON t5.salcode = t6.salcode
 WHERE t2.codegroupcd = 'H1'
   AND t3.codegroupcd = 'H2'
   AND t6.saldiv = 'D'
   AND t5.saldt LIKE '2013%'
 ORDER BY 1 DESC, 2, 3, 4
;