在sql中总结两个select语句

Question

我希望产生这两个选择语句的总和：

select sum(amount) as hr from friday.dbo.FMDR_Friday_CSV where [Account #] like 4010

select sum(amount) as hr from friday.dbo.FMDR_Friday_CSV where [Account #] like 4060

我尝试在它们之间加入一个联合，它只用于在同一结果窗口中生成两个结果。

感谢您的帮助，我是一个绝对的初学者。

Answer 1

由于记录来自同一个表格，因此UNION是多余的。简单的IN或OR就足够了：

select sum(amount) as hr from friday.dbo.FMDR_Friday_CSV
where [Account #] in (4060, 4061)

select sum(amount) as hr from friday.dbo.FMDR_Friday_CSV
where [Account #] = 4060 OR [Account #] = 4061)

Answer 2

如果您想使用多个选择（可能涉及其他表）

select ((select sum(hours) from foo1) +
        (select sum(hours) from foo2)) as totalHours

Answer 3

一个简单的OR会做：

 select sum(amount) as hr from friday.dbo.FMDR_Friday_CSV 
   where [Account #] like 4010 OR [Account #] like 4060

Answer 4

错误：

select sum(amount) as hr from friday.dbo.FMDR_Friday_CSV
where [Account #] like 4010 or [Account #] like 4060

您的第二个选择是使用with语句。阅读它：）