sqlite equivalent of row_number() over ( partition by …?

Question

I\'d like to know if it\'s possible to do the following using a single sqlite statement:

My table looks something like this:

|AnId|UserId|SomeDate|So         


        

Answer 1

If you already haven't got the answer. If it's one table, then you don't need any joins. You can just use:

Delete From data
where AnId not in (Select AnId
                   from data
                   Order by SomeDate DESC
                   Limit 10)