Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


How to delete the duplicate rows from a table in SQL Server ??

Answers were Sorted based on User's Feedback



How to delete the duplicate rows from a table in SQL Server ??..

Answer / vnreddy

create table sampletbl(id int,name varchar(100))

insert into sampletbl values(1,'aa')
insert into sampletbl values(1,'aa')
insert into sampletbl values(1,'aa')
insert into sampletbl values(2,'bb')
insert into sampletbl values(2,'bb')

with cte as(
select ROW_NUMBER() over (partition by id order by id) as r_no,* from sampletbl)
delete from cte where r_no>1

select * from sampletbl

Is This Answer Correct ?    10 Yes 2 No

How to delete the duplicate rows from a table in SQL Server ??..

Answer / sudha511

select distinct * into #temp from sampletbl
delete sampletbl
insert into sampletbl
select * from #temp
drop table #temp

Is This Answer Correct ?    2 Yes 0 No

How to delete the duplicate rows from a table in SQL Server ??..

Answer / himmat

delete from table name
having count(column name)>1
group by column name

Is This Answer Correct ?    15 Yes 25 No

Post New Answer

More SQL Server Interview Questions

What are the differences between decimal and float in ms sql server?

0 Answers  


What is outer join in sql server joins?

0 Answers  


How to create a view on an existing table in ms sql server?

0 Answers  


Do you know what are the differences between lost updates and uncommitted dependencies?

0 Answers  


explain different types of jions with examples briefly?

1 Answers   Zensar,


if we have a column (Key) in a table. and values of that column is Key 1 1 1 2 2 3 3 4 4 5 5 5 and we want to show the data after query..like.. 1(3) 2(3) 3(2) 4(2) 5(3) how many times a single term comes..

17 Answers   3i Infotech, Rolta, TCS,


Can you explain what is indexed view? How to create it?

0 Answers  


What is the difference between osql and query analyzer?

0 Answers  


Difference between Inner vs outer joins?

0 Answers  


What is the advantage of specifying WITH GRANT OPTION in the GRANT command?

2 Answers  


How do I view views in sql server?

0 Answers  


Do you know what is similarity and difference between truncate and delete in sql?

0 Answers  


Categories