我需要在 SQL Server 中实现以下查询:
select *
from table1
WHERE (CM_PLAN_ID,Individual_ID)
IN
(
Select CM_PLAN_ID, Individual_ID
From CRM_VCM_CURRENT_LEAD_STATUS
Where Lead_Key = :_Lead_Key
)
但是 WHERE..IN 子句只允许 1 列。如何将 2 列或更多列与另一个内部 SELECT 进行比较?
最佳答案
您需要使用 WHERE EXISTS 语法。
SELECT *
FROM table1
WHERE EXISTS (SELECT *
FROM table2
WHERE Lead_Key = @Lead_Key
AND table1.CM_PLAN_ID = table2.CM_PLAN_ID
AND table1.Individual_ID = table2.Individual_ID)
关于sql-server - SQL WHERE.. IN 子句多列,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/1136380/