我有以下 SQL 语句:
SELECT C.LINKED_TABLE_ID AS CLIENT_DIWOR, I.STATUS AS AML_STATUS, dbo.CLIENT_MASTER.CLIENTCODE
FROM AML_INFORMATION AS I INNER JOIN
dbo.COMM_ENTRY AS C ON C.NAME_ID = I.CONTACT_ID AND C.TABLE_ID = 'C' AND C.PRIMARY_FLAG = 'Y' INNER JOIN
dbo.CLIENT_MASTER ON C.LINKED_TABLE_ID = dbo.CLIENT_MASTER.DIWOR
WHERE I.CONTACT_ID = 234
AND I.[STATUS] = 'CC'
AND (CLIENT_MASTER.DIWOR = I.CONTACT_ID)
AND (CLIENT_MASTER.POSTING_STATUS <> '')
AND ((SELECT COUNT(CONTACT_ID) FROM AML_ID_DOCUMENT GROUP BY CONTACT_ID HAVING CONTACT_ID = 234) >1)
如果我运行它,它会返回 0 条记录,但是如果我删除最后一个 AND 语句AND ((SELECT COUNT(CONTACT_ID) FROM AML_ID_DOCUMENT GROUP BY CONTACT_ID HAVING CONTACT_ID = 234) >1)
,它会返回我期望的记录。
是否可以以这种方式使用 COUNT() ?顺便说一句,本例中的 COUNT() 返回 2 条记录,如果我将它包含在 SELECT 语句中,我也会返回 0 条记录。
谁能指出我正确的方向?
提前致谢。