세로를 가로로 출력하기

SELECT AA.ACCTUNIT_CD, AA.ACCT_CTG_CD ,
       ISNULL(MAX(Case ROWNUMBER When 1 Then AA.MNG_ITEM_CD end),'') MNG_ITEM_CD_1,
       ISNULL(MAX(Case ROWNUMBER When 2 Then AA.MNG_ITEM_CD end),'') MNG_ITEM_CD_2,
       ISNULL(MAX(Case ROWNUMBER When 3 Then AA.MNG_ITEM_CD end),'') MNG_ITEM_CD_3,
       ISNULL(MAX(Case ROWNUMBER When 4 Then AA.MNG_ITEM_CD end),'') MNG_ITEM_CD_4,
       ISNULL(MAX(Case ROWNUMBER When 5 Then AA.MNG_ITEM_CD end),'') MNG_ITEM_CD_5 
FROM (
        select
        ROW_NUMBER() OVER(PARTITION BY A.ACCTUNIT_CD, A.ACCT_CTG_CD ORDER BY A.ACCTUNIT_CD ASC,A.ACCT_CTG_CD ASC, B.MNG_ITEM_CD ASC) AS ROWNUMBER
        , A.ACCTUNIT_CD
        , A.ACCT_CTG_CD
        , B.MNG_ITEM_CD
        ,B.MNG_ITEM_NM
        from TB_FA_ACCT_MNG_ITEM A
       INNER JOIN TB_FA_MNG_ITEM B
          ON A.ACCTUNIT_CD = B.ACCTUNIT_CD
         AND A.MNG_ITEM_CD = B.MNG_ITEM_CD
          
) AA
GROUP BY AA.ACCTUNIT_CD, AA.ACCT_CTG_CD