查询重复记录

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_qry]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
drop procedure [dbo].[p_qry]
GO

/*--查询重复记录的通用存储过程
 
 可以查询出表中那些数据是重复的,这里的重复,是指除主键外重复的记录
 如果表中有主键,请指定主键.
 如果表中有标识字段,而且标识字段无重复,请在调用时,将主键指定为标识字段
  如果标识字段重复,不能用此存储过程

-- 2004.4--*/

create proc p_qry
@tbname sysname,  --要查询的表名
@keyfdname sysname=null --表中的主键,如果未指定,则表中无主键
as
declare @nokey bit,@fd varchar(8000),@tj varchar(8000)
set nocount on
if isnull(@keyfdname,'')=''
begin
 select @keyfdname=cast(newid() as char(36)),@nokey=1
 exec('alter table ['+@tbname+'] add ['+@keyfdname+'] decimal(38,0) identity(1,1)')
end
select @fd='',@tj=''
select @fd=@fd+',['+name+']'
 ,@tj=@tj+'['+name+']=a.['+name+'] and '
from syscolumns
where object_name(id)=@tbname and name<>@keyfdname
set @fd=substring(@fd,2,8000)
exec('select '+@fd+' from ['+@tbname+'] a
 where exists(select 1 from ['+@tbname
 +'] where '+@tj+'['+@keyfdname+']<>a.['+@keyfdname+'])')
if @nokey=1
 exec('alter table ['+@tbname+'] drop column ['+@keyfdname+']')
set nocount off
go

--调用示例
--创建测试数据
create table 表(f1 int,f2 int,f3 int,f4 int,f5 int)
insert into 表
select 1,1,1,1,1
union all select 2,1,1,1,1
union all select 3,2,1,23,1
union all select 4,2,3,1,3
union all select 5,1,1,1,1
go

--调用通用存储过程实现楼主的查询
exec p_qry '表','f1'

--删除测试环境
drop table 表

/*--测试结果

f2          f3          f4          f5         
----------- ----------- ----------- -----------
1           1           1           1
1           1           1           1
1           1           1           1
--*/

 
 

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