Question

我有以下两个选择：

Declare @S_PWO varchar(300)
Declare @S_O varchar(300)
@S_PWO = 
(
SELECT COUNT(PWO.Attr1)
FROM Person P
JOIN PersonInOrg PIO
  ON P.UID_Person = PIO.UID_Person
JOIN Org O
  ON O.UID_Org = PIO.UID_Org
JOIN PersonWantsOrg PWO
  ON PIO.Attr2 = PWO.Attr3
WHERE 
  O.Attr4 like '%STRING%' AND
  P.UID_Person = 'XXXXXXXXX'
)
@S_O =
(
SELECT Count(O.CCC_DisplayName)
FROM Person P
JOIN PersonInOrg PIO
  ON P.UID_Person = PIO.UID_Person
JOIN Org O
  ON O.UID_Org = PIO.UID_Org
JOIN PersonWantsOrg PWO
  ON PIO.Attr2 = PWO.Attr3
WHERE 
  O.Attr4 like '%STRING%' AND
  P.UID_Person = 'XXXXXXXXX'
)

对于XXXXXXXXX人，他们的计数可能相等，也可能不相等。现在，我需要找到所有这两个Select都不正确的人。我该怎么办？

Answer 1

您在两个选择中使用相同的Join / Where，只有Count不同。

将两者简单地组合成一个分组方式，UID_Person并应用Having：

SELECT P.UID_Person, Count(PWO.Attr1) AS cntAttr1, Count(O.CCC_DisplayName) AS cntDisplayName
FROM Person P
JOIN PersonInOrg PIO
JOIN PersonInOrg PIO
  ON P.UID_Person = PIO.UID_Person
JOIN Org O
  ON O.UID_Org = PIO.UID_Org
JOIN PersonWantsOrg PWO
  ON PIO.Attr2 = PWO.Attr3
WHERE 
  O.Attr4 LIKE '%STRING%'
GROUP BY P.UID_Person
HAVING Count(PWO.Attr1) <> Count(O.CCC_DisplayName)

SQL，显示所有来自不同表的计数不相等的条目

1 个答案: