1″ WHERE 2138=2138AND/**/4888=(SELECT/**/UPPER(CHR(126)||’~’||(SELECT/**/(CASE/**/WHEN/**/(4888=4888)/**/THEN/**/1/**/ELSE/**/0/**/END)/**/FROM/**/DUAL)||’~’||CHR(126))/**/FROM/**/DUAL/**/WHERE/**/DBMS_RANDOM.VALUE(2968,8218)=9687)– – 1