查询数据排名情况SQL

查询数据排名情况SQL

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  

 

以上就是查询数据排名情况SQL的详细内容,更多请关注0133技术站其它相关文章!

赞(0) 打赏
未经允许不得转载:0133技术站首页 » 数据库