How can I find duplicate entries and delete the oldest ones in SQL?

Find duplicates and delete oldest one

Here is the Code

create table #Product (
    ID      int identity(1, 1) primary key,
    Name        varchar(800),
    DateAdded   datetime default getdate()
)

insert  #Product(Name) select 'Chocolate'
insert  #Product(Name,DateAdded) select 'Candy', GETDATE() + 1
insert  #Product(Name,DateAdded) select 'Chocolate', GETDATE() + 5
select * from #Product

;with Ranked as (
    select  ID, 
        dense_rank() 
        over (partition by Name order by DateAdded desc) as DupeCount
    from    #Product P
)
delete  R
from    Ranked R
where   R.DupeCount > 1

select * from #Product

delete from table a1 where exists (select * from table a2 where a2.name = a1.name and a2.date > a1.date)