Here is correct syntax

Re: Syntax error Thread #1247986 Message #1248330

and it seems I was correct. It was just a typo.

DELETE tPrinters from tPrinters LEFT JOIN ptTemp T on UPPER(tPrinters.Nome) = UPPER(T.nome) where T.Nome is NULL

>I realize that when I stop thinking and go walking than solutions appear in my mind
>Yet, I insist in stay long non-stop hours working
>
>About your code below, I have a message error
>
>"Object tPrinters not found"
>
>Sorry if I seem lazy, but I am really not used to SQL
>
>
>DELETE tPrinters from tPrinters LEFT JOIN ptTemp T on UPPER(tPrinters.Nome) = UPPER(T.nome) where T.Nome is NULL