select [号码],[内容] from [表] group by [号码],[内容] having count(1)>1

------解决方案--------------------
SQL code
if OBJECT_ID('表a') is not null  
drop table [表a]  
go  
create table [表a](groupnum int,B int)  
INSERT INTO [表a] VALUES(1,11)  
INSERT INTO [表a] VALUES(1,11)  
INSERT INTO [表a] VALUES(1,10)  
INSERT INTO [表a] VALUES(2,11)  
INSERT INTO [表a] VALUES(2,20)  
INSERT INTO [表a] VALUES(2,20)  
INSERT INTO [表a] VALUES(2,11)  
INSERT INTO [表a] VALUES(2,15)  
  
INSERT INTO [表a] VALUES(3,23)  
INSERT INTO [表a] VALUES(3,23)  
INSERT INTO [表a] VALUES(3,15)  
INSERT INTO [表a] VALUES(3,6)  
INSERT INTO [表a] VALUES(3,6)  
INSERT INTO [表a] VALUES(3,6)  
  
  
;with cte  
as   
(  
 select * ,rn=ROW_NUMBER()over(partition by groupnum,B order by groupnum) from 表a   
)  
   select * from    cte where rn<>1  
  

 groupnum    B           rn
----------- ----------- --------------------
1           11          2
2           11          2
2           20          2
3           6           2
3           6           3
3           23          2

(6 行受影响)

------解决方案--------------------
SQL code
if OBJECT_ID('表a') is not null  
drop table [表a]  
go 
 
create table [表a](号码 int,内容 varchar(50),时间 datetime)  
INSERT INTO [表a] VALUES(23434,'好好学习','2011-01-01 08:03:10')  
 INSERT INTO [表a] VALUES(23434,'好好学习','2011-02-01 08:03:10')  
 INSERT INTO [表a] VALUES(6777,'天天向上','2011-03-01 08:03:10')  
  INSERT INTO [表a] VALUES(23434,'好好学习1','2011-01-01 08:03:10')  
;with cte  
as   
(  
 select * ,rn=ROW_NUMBER()over(partition by 号码,内容 order by 号码) from 表a   
)  
   
select * from    cte where rn=1  
 


号码          内容                                                 时间
----------- -------------------------------------------------- -----------------------
23434       好好学习                                               2011-02-01 08:03:10.000

(1 行受影响)

------解决方案--------------------
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引用:

SQL code
select [号码],[内容] from [表] group by [号码],[内容] having count(1)>1


还是以上的条件，根据上面的条件找出比如 id，号码，时间，内容等等的记录有办法吗？