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我是StackOverflow的新手,剛接觸SQL Server時,希望您能幫我解決一些麻煩的問題。SQL查詢問題
這是我的數據庫結構(它的一半西班牙語,希望無所謂)
我的問題是,我不知道現在該怎麼做一個查詢,狀態哪支球隊是局部的,這是訪問者(使用表TMatch,知道球場僅屬於一個團隊)
這是據我可以得到
Select P.NroMatch, (select * from fnTeam (P.TeamA)) as TeamA,(select * from fnTeam (P.TeamB)) as TeamB,
(select * from fnEstadium (P.CodEstadium)) as Estadium, (cast(P.GolesTeamA as varchar)) + '-' + (cast(P.GolesTeamA as varchar)) as Score,
P.Fecha
from TMatch P
使用此功能:
If object_id ('fnTeam','fn')is not null
drop function fnTeam
go
create function fnTeam(@CodTeam varchar(5))
returns table
return(Select Name from TTeam where CodTeam = @CodTeam)
go
select * from fnTeam ('Eq001')
go
----****
If object_id ('fnEstadium','fn')is not null
drop function fnEstadium
go
create function fnEstadium(@CodEstadium varchar(5))
returns table
return(Select Name from TEstadium where CodEstadium = @CodEstadium)
go
我希望我解釋自己很好,我感謝你提前幫
編輯:
感謝您的幫助,這是我一直尋找
Select P.NroMatch,
CASE
WHEN Ts.CodTeam= Ta.CodTeamTHEN Ta.Name
ELSE Tb.Name
END
As TeamLocal,
CASE
WHEN Ts.CodTeam<> Ta.CodTeamTHEN Ta.Name
ELSE Tb.Name
END
As TeamVisitante,
Ts.Name as Estadium,
(cast(P.GolesTeamA as varchar)) + '-' + (cast(P.GolesTeamB as varchar)) as Score,
P.Fecha
from
TMatch P
join TTeamTa ON Ta.CodTeam= P.TeamA
join TTeamTb ON Tb.CodTeam= P.TeamB
join TEstadium Ts ON Ts.CodEstadium = P.CodEstadium
對不起,該datasabase是在鏈路(他們不」讓新用戶發佈圖片)。另外,如果TeamA和TeamB在TeamA體育場比賽,teamA是當地的 – brisonela 2011-03-06 23:59:33
抱歉,因爲這麼激烈,但問題在於「訪客」 – brisonela 2011-03-07 00:25:20
@Brisonela:我不知道你的意思? – 2011-03-07 00:27:19