Can we de-dupe on the Name, first line of address and postcode in SQL SERVER !!

Question

Hi Friends I have 7K records in my Table. the Columns are ID, Name, Address 1 , Address 2, Address 3, postcode. 
how can we de-dupe on the name , Address 1 and postcode Can you please advise me  How can we write SQ query for this requirement I will grateful to you. 
I Need to delete Same name and same postcode rerecordss!!!

Answer 1

Cherukuri,
check this:
create table #temp
id int,
name varchar(100),
address1 varchar(100),
address2 varchar(100),
postcode varchar(100)
insert #temp select 1,'jay','Johns street',NULL,'34535'
insert #temp select 2,'jk','Smiths street',NULL,'34512'
insert #temp select 1,'jay','Johns street',NULL,'34535'
insert #temp select 3,'kumaur','Marks street',NULL,'123456'
select * from #temp
;with cte
as
select *,row_number() over(partition by name,address1,postcode order by name,address1,postcode) as rnum
from #temp
delete From cte
where rnum<>1
select * from #temp
drop table #temp
Thanks,
Jay
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