我一直在使用当inningsNo字段的值为1时在ballNumber字段中返回最大值的查询。
现在,我想添加一个字段,当inningsNo字段的值为2时,该字段也将返回ballNumber字段中的最大数字。
我遵循与以前相同的逻辑,但是由于某些原因它不起作用。
有人可以指出问题吗?
谢谢
Select
T1.MaxBallNumber As Max1,
T2.MaxBallNumber As Max2
From
(Select Max(ballNumber) As MaxBallNumber From BallByBall Where InningsNo=1) As T1,
(Select Max(ballNumber) As MaxBallNumber From BallByBall Where InningsNo=2) As T2