SELECT DISTINCT left(themarubstich,1) as buchstaben FROM URL WHERE (Rubrik = 'Untersuchungen') AND (delflag = 0) group by left(themarubstich,1) order by left(themarubstich,1);SELECT DISTINCT left(themarubstich,1) as buchstaben FROM URL WHERE (Rubrik = 'Untersuchungen') AND (delflag = 0) group by left(themarubstich,1) order by left(themarubstich,1);