SQLServer中按某字段排列名次
2019-11-18 18:15:11
供稿：網友
---居然看到有人用游標,SQL就能搞定----
create table Test
(F1 char(10),
F2 char(10))
--測試表
insert into Test
select 'a' F1,'1' F2
union
select 'b' F1,'2' F2
union
select 'c' F1,'3' F2
union
select 'd' F1,'3' F2
union
select 'e' F1,'4' F2
union
select 'f' F1,'4' F2
union
select 'g' F1,'4' F2
union
select 'h' F1,'7' F2
union
select 'i' F1,'9' F2
--插入數據
select id=identity(int,0,1),f1,f2 into #t from test order by F2 desc
select a.f1,a.f2,a.id+1-cast(id-cc-minn as Char(10)) as [名次]
from #t a,
(select f2,cc,minn from
(select f2,count(*)as cc,min(id)-count(*) as minn from #t group by f2) t)b
where a.f2=b.f2
order by a.f2 desc
--測試
drop table #t
drop table test
--刪除表
/*
i 9 1
h 7 2
g 4 3
e 4 3
f 4 3
c 3 6
d 3 6
b 2 8
a 1 9
*/
