I got 2 question, if tempdb is full, how to fix it? 2. if I have f

I got 2 questions, if tempdb is full, how to fix it? 2. if I have full backup
yesterday and no transaction log today and I delete data by accident, is
there any way to recover it?
Thanks.1)
http://www.aspfaq.com/show.asp?id=2446
2)
http://www.lumigent.com/ --explorer log for sql
"Iter" <Iter@.discussions.microsoft.com> wrote in message
news:A292519F-B554-4193-9437-9B74EAE07151@.microsoft.com...
>I got 2 questions, if tempdb is full, how to fix it? 2. if I have full
>backup
> yesterday and no transaction log today and I delete data by accident, is
> there any way to recover it?
> Thanks.
>