SELECT bkz999,substr( LISTAGG(ake001, ',') WITHIN GROUP(ORDER BY bkz999), 1,2000) as ake001s
FROM kz01_data_rela where bkz999='751AE410A0857D98E050A8C0F3075923' GROUP BY bkz999;
SELECT bkz999,--to_clob(
--LISTAGG(ake001, ',') WITHIN GROUP(ORDER BY bkz999)
wm_concat(ake001)
-- ) as ake001s
FROM kz01_data_rela where bkz999='751AE410A0857D98E050A8C0F3075923' GROUP BY bkz999;