数据库 
首页 > 数据库 > 浏览文章

查询数据排名情况SQL

(编辑:jimmy 日期: 2024/10/21 浏览:3 次 )

1/准备测试数据

---------------------------------------------------------------------------------
create table t1(
c1 integer,
c2 integer,
c3 integer
);

insert into t1 values(1,2,3)

insert into t1 values(1,8,4)
insert into t1 values(1,4,4)

insert into t1 values(1,4,5)

insert into t1 values(1,5,5)

insert into t1 values(2,2,3)

insert into t1 values(2,8,4)
insert into t1 values(2,4,4)

insert into t1 values(2,4,5)

insert into t1 values(2,5,5)

2/查看排名

---------------------------------------------------------------------------------

A/单记录排名

select c1,c3,
(select count( c3)+1 from t1 a where a.c3>b.c3
and a.c1=b.c1 and a.c1 =1
) order_num
from t1 b
where  c1 =1
order by c1,c3

c1          c3          order_num             
----------- ----------- ----------------------
1           3           5                     
1           4           3                     
1           4           3                     
1           5           1                     
1           5           1     
B/多记录排名

select c1,c2,c3,
(select count( c3)+1 from t1 a where a.c3>b.c3
and a.c1=b.c1
) order_num
from t1 b
order by c1,c3


c1          c2          c3          order_num             
----------- ----------- ----------- ----------------------
1           2           3           5                     
1           8           4           3                     
1           4           4           3                     
1           4           5           1                     
1           5           5           1                     
2           2           3           5                     
2           8           4           3                     
2           4           4           3                     
2           4           5           1                     
2           5           5           1  

 

上一篇:sqlserver 比较两个表的列
下一篇:Sql Server 数据库索引整理语句,自动整理数据库索引
友情链接:杰晶网络 DDR爱好者之家 南强小屋 黑松山资源网 白云城资源网 SiteMap