sql 查询复数据并显示语句

sql 查询复数据并显示语句

sql 查询复数据并显示语句
 
 //方法二
 

 select name,content,imgurl,synois from (
select name,content,imgurl,synopsis ,row_number() over (partition by name order by content) as rn
from table1
) t where t.rn=1

//方法二

if object_id('[tb]') is not null drop table [tb]
create table [tb]([name] varchar(1),[content] varchar(5),[imgurl] varchar(5),[synopsis] varchar(6))
insert [tb]
select 'a','不同1','不同1','可不填' union all
select 'a','不同2','不同2','可不填' union all
select 'a','不同3','不同3','可不填' union all
select 'b','不同4','不同4','可不填' union all
select 'b','不同5','不同5','可不填' union all
select 'c','不同6','不同6','可不填'

select * from [tb]

with tt
as(
select id = row_number() over (partition by name order by name ),* from tb )

select  [name], [content], imgurl, synopsis from tt where id  = 1