请求帮助

[emilysky]

SELECT tb49x.a01,
tb49x.a02,
tb49x.a03,
tb49x.a04,
tb49x.a05,
tb49x.a06,
tb49x.a07,
tb49x.a17,
tb49x.a20,
tb49x.a22,
tb49x.a23,
tb49x.a24,
SUM (tb49x.a24) A
FROM tb49x
WHERE TB49X.A17 = :JXR
GROUP BY tb49x.a01,
tb49x.a02,
tb49x.a03,
tb49x.a04,
tb49x.a05,
tb49x.a06,
tb49x.a07,
tb49x.a17,
tb49x.a20,
tb49x.a22,
tb49x.a23,
tb49x.a24
如上语句子，想累加表TB49X里的字段A24为A，但执行后不会累加

请问是何因？

[eminena]

象这些单纯涉及 SQL 语句的贴子,到 MS-SQL Server 版去问,会及时得到答复!