아래 SQL명령이 IBExpert와 Delphi 7에서는  문제없이 실행되는데
Delphi 2007 Win 32 + dbExpress의  TSQLQuery 또는 TSQLDataSet에서
"..... Token unknown  - line 13,  column 19  ?."  라는 Error 메세지가 뜹니다.
환장하겠습니다.
무슨 문제인지 살펴주십시오.

SELECT X.*, D."AAA"
FROM
(
  SELECT "CODE', "GUBOON",
   SUM(IIF("PAY_GB"=1 AND "SER_NO">0,      1,   0)) AS "A",
   SUM(IIF("PAY_GB"=1 AND "SER_NO">0, "AMT", 0)) AS "B",
   SUM(IIF("PAY_GB"=1 AND "SER_NO"<0,      1,   0)) AS "C",
   SUM(IIF("PAY_GB"=1 AND "SER_NO"<0, "AMT", 0)) AS "D",
   SUM(IIF("PAY_GB"=0 AND "SER_NO">0,      1,   0)) AS "E",
   SUM(IIF("PAY_GB"=0 AND "SER_NO">0, "AMT", 0)) AS "F",
   SUM(IIF("SER_NO" < 0,                                1,  0)) AS "G",
   SUM(IIF("SER_NO" < 0,                         "AMT",  0)) AS "H",
   SUM(IIF("R_DATE" > "S_DATE",             "AMT",  0)) AS "K",
   SUM(IIF("SER_NO"<0 AND "R_DATE" > "S_DATE", "AMT",  0)) AS "L"
  FROM "SALE"
  WHERE ("S_DATE" = :pDate) AND ("DAM" = :pDam)
  GROUP BY "CODE", "GUBOON"
) X
LEFT JOIN "CUSTOM" D ON D."CODE" = X."CODE"