Comments on: SQL SERVER – 2005 – 2008 – Delete Duplicate Rows

By: Sree Raj

Sree Raj — Wed, 08 May 2013 06:35:08 +0000

great one….thanks..

By: Partha

Partha — Wed, 10 Apr 2013 16:41:56 +0000

Very good article..Thank you

By: Srinivas Reddy

Srinivas Reddy — Thu, 21 Mar 2013 18:24:57 +0000

very nice..

By: Abhijeet Kulkarni

Abhijeet Kulkarni — Wed, 13 Mar 2013 13:39:47 +0000

Thank you!

By: sandeepa

sandeepa — Tue, 12 Mar 2013 11:28:00 +0000

Thanks a Lot!! This post is really helpful.

By: Prashant

Prashant — Thu, 10 Jan 2013 08:30:58 +0000

nice job

By: rakesh

rakesh — Wed, 19 Dec 2012 10:11:37 +0000

dear,sir
if we create a table with primary key and we use it as a foreign key then how we delete data and TRUNCAT.plz suggest me.
thank’s

By: SQL SERVER – Select and Delete Duplicate Records – SQL in Sixty Seconds #036 – Video « SQL Server Journey with SQL Authority

Wed, 19 Dec 2012 01:30:32 +0000

[...] SQL SERVER – 2005 – 2008 – Delete Duplicate Rows [...]

By: Ramesh Saravanan

Ramesh Saravanan — Tue, 18 Sep 2012 12:12:58 +0000

cannot drop function because it is being referenced by object….

By: Ramesh Saravanan

Ramesh Saravanan — Tue, 18 Sep 2012 12:06:05 +0000

how to drop function pls give me solutions

By: madhivanan

madhivanan — Thu, 23 Aug 2012 06:38:59 +0000

Refer point 6 at http://beyondrelational.com/modules/2/blogs/70/posts/10802/multipurpose-rownumber-function.aspx

By: praveen

praveen — Tue, 21 Aug 2012 09:07:13 +0000

hi i had one problem with removing duplicates pls help me out.
i have 3 columns named as a col1,col2,col3 with different different values and some what unique values,now i want remove that data.
ex…
col1 col2 col3
1 1 1
1 1 1
2 1 1
3 2 1

now i want remove second repeated row from above ex..

By: saravanan

saravanan — Mon, 16 Jul 2012 11:36:48 +0000

HI i m saravanan
do u have 70 433 dumps pls reply me..

By: satya

satya — Mon, 16 Jul 2012 08:41:47 +0000

not working if hav 3 columns same records data

By: madhivanan

madhivanan — Mon, 18 Jun 2012 06:32:22 +0000

You need to post some sample data with expected result

By: SAUD AHMED

SAUD AHMED — Fri, 15 Jun 2012 10:07:06 +0000

i want to delete multiple records selected by users … em working on c# and connected sql server rite now em using a stored procedure which deletes one record at a time (delete form abc where email=”etc” and group=”etc”) … can you tell me how can i deleted selected records …?

By: Ashu

Ashu — Tue, 12 Jun 2012 09:03:35 +0000

Thanks for the great post!!!!!!

By: Harman Bajaj

Harman Bajaj — Thu, 31 May 2012 17:14:34 +0000

Thanks, i got it…..was looking for ROWID as we do in Oracle and in SQLSERVER there’s no ROWID….so we can do it with CTE and ROW_NUMBER() function…:)

By: naresh joshi

naresh joshi — Mon, 28 May 2012 11:23:12 +0000

Thanks so much

By: Suresh G

Suresh G — Mon, 14 May 2012 10:21:40 +0000

Tremendous Solution.
before delete duplicates, how to kept into Temporary Table those duplicates(to be deleted records).

By: Sunita

Sunita — Mon, 14 May 2012 08:15:30 +0000

Very useful… But can u post to delete duplicates from approx. 9000000 records. I am using your solution but it is taking to much time in large data..

By: Tsaliki

Tsaliki — Wed, 04 Apr 2012 12:22:18 +0000

Superb one to delete duplicate records.Thank you Pinal sir

By: Oscar

Oscar — Tue, 27 Mar 2012 04:37:02 +0000

Thanks for this great post. I was able to solve the same problem.

By: Pranav

Pranav — Mon, 27 Feb 2012 06:03:28 +0000

Thanks, Saved tons of time for large number records

By: suresh

suresh — Mon, 20 Feb 2012 06:16:33 +0000

hi to all,

Here i am having a case, Can we avoid duplicates at time while insertion done at two tables and if the query is re-run then also it should not insert the same data