select num.monnum as N, SUBSTR(pn.NAME,num.monnum,1) as CHAR_N, ASCII(SUBSTR(pn.NAME,num.monnum,1)) as CODE_N

 from (select "Karli Schäfer" as NAME) pn 

     left outer join (select cal.MONAT as monnum from CCCAL cal where cal.JAHR=2013) num on 1=1