How can I delete duplicate rows in a table

Question

I have a table with say 3 columns. There\'s no primary key so there can be duplicate rows. I need to just keep one and delete the others. Any idea how to do this is Sql Serv

Answer 1

How about:

select distinct * into #t from duplicates_tbl

truncate duplicates_tbl

insert duplicates_tbl select * from #t

drop table #t