在SQL中如何才能查出类似这样的结果，谢谢
OneClass
No. Name Status
1 Officials Non-statutory
2 Development Non-statutory
TwoClass
No. Name Status
1 Board Statutory
2 Committee Non-statutory
3 Honours Non-statutory
4 ICAC Complaints Committee Non-statutory
ThreeClass
No. Name Status
1 ICAC Non-statutory
2 Citizens Non-statutory
3 Corruption statutory
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3個表用 union all --連接
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- SQL code
--1.select row_number()over(order by name desc) as [No.],name,status from tb--2.select row_number()over(order by name) as [No.],name,status from tb--3.select row_number()over(order by status) as [No.],name,status from tb
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- SQL code
舉個例子，猜一下use Tempdbgo--> --> if not object_id(N'Tempdb..#T1') is null drop table #T1GoCreate table #T1([No] int,[Name] nvarchar(11),[Status] nvarchar(13))Insert #T1select 1,N'Officials',N'Non-statutory' union allselect 2,N'Development',N'Non-statutory'Goif not object_id(N'Tempdb..#T2') is null drop table #T2GoCreate table #T2([No] int,[Name] nvarchar(38),[Status] nvarchar(13))Insert #T2select 1,N'Board',N'Statutory' union allselect 2,N'Committee',N'Non-statutory' union allselect 3,N'Honours',N'Non-statutory' union allselect 4,N'ICAC ComplaintsCommittee','Non-statutory'Gouse Tempdbgo--> --> if not object_id(N'Tempdb..#T3') is null drop table #T3GoCreate table #T3([No] int,[Name] nvarchar(10),[Status] nvarchar(13))Insert #T3select 1,N'ICAC',N'Non-statutory' union allselect 2,N'Citizens',N'Non-statutory' union allselect 3,N'Corruption',N'statutor'Go;WITH aAS(Select *,ParentID=0 from #T1UNION ALLSelect *,ParentID=1 from #T2UNION ALLSelect *,ParentID=2 from #T3),a2AS(SELECT *,ord=CAST(RIGHT(100+[No],2) AS NVARCHAR(200)) FROM a WHERE ParentID=0UNION ALLSELECT a.*,ord=CAST(b.ord+RIGHT(100+a.[No],2) AS NVARCHAR(200)) FROM a2 AS b INNER JOIN a ON b.[No]=a.ParentID AND b.ParentID=0)SELECT NO=ROW_NUMBER()OVER(ORDER BY ord),[Name],[Status],ParentIDFROM a2 OPTION(MAXRECURSION 0)/*NO Name Status ParentID1 Officials Non-statutory 02 Board Statutory 13 Committee Non-statutory 14 Honours Non-statutory 15 ICAC ComplaintsCommittee Non-statutory 16 Development Non-statutory 07 ICAC Non-statutory 28 Citizens Non-statutory 29 Corruption statutor 2*/
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