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

This is a tough situation to be in. Without knowing your particular situation (table size etc) I think that your best shot is to add an identity column, populate it and then delete according to it. You may remove the column later but I would suggest that you should keep it as it is really a good thing to have in the table