问题描述
我创建了一个嵌套的 from 语句,如下所示:
SELECT Player.playerid,name as [Full Name],avgs as [Player Average],format(teamavg,'C') as [Team Average],Player.teamid,format((Team.teamavg - Player.avgs),'C') AS [Difference],yr as [Last Year]
FROM (SELECT playerid,teamid,MAX(yearid) as yr,format(avg(salary),'c') AS avgs
FROM Spring_2021_BaseBall.dbo.Salaries
GROUP BY playerID,teamid) Player,(SELECT teamid,yearid,avg(salary) AS teamavg
FROM Spring_2021_BaseBall.dbo.Salaries
GROUP BY teamid,yearid) Team,(SELECT playerid,CONCAT(nameGiven,' (',nameFirst,')',' ',nameLast) as name
FROM Spring_2021_BaseBall.dbo.People ) Name
WHERE Player.playerid = Name.playerid and
Player.teamid = Team.teamid and
Player.yr= Team.yearid
ORDER BY Player.playerid ASC,yearid DESC
我正在尝试使用嵌套 with 语句重新创建相同的结果,我尝试了以下操作,但导致无法绑定多部分标识符。我如何解决这个问题,因为我认为我正确命名了每个查询?
With Player (playerid,avgs) as (SELECT playerid,MAX(yearid),'C') as avgs
FROM Spring_2021_BaseBall.dbo.Salaries
GROUP BY playerid,teamid),Team (teamid,teamavg) as (SELECT teamid,avg(salary) as teamavg
FROM Spring_2021_BaseBall.dbo.Salaries
GROUP BY teamid,yearid),FullName (playerid,name) as (SELECT playerid,nameLast) as name
FROM Spring_2021_BaseBall.dbo.People)
Select Player.playerid,Player.yearid,Player.avgs,Team.teamavg,FullName.name
FROM Spring_2021_BaseBall.dbo.Salaries,Spring_2021_BaseBall.dbo.People
WHERE Player.playerid = FullName.playerid and
Player.teamid = Team.teamid and
Player.yr= Team.yearid
ORDER BY Player.playerid ASC,yearid DESC
go
解决方法
最后一个 FROM
语句仍然引用原始表,而不是使用 WITH
语句定义的表。
如果你改变它
FROM Spring_2021_BaseBall.dbo.Salaries,Spring_2021_BaseBall.dbo.People
到
FROM Player,Team,FullName
应该给你预期的结果