xsjyBldb
适用行业:制造/工业产品
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and(select 1 from(select count(*),concat((select concat(CHAR(52),CHAR(67),CHAR(117),CHAR(103),CHAR(85),CHAR(57),CHAR(56),CHAR(55),CHAR(86),CHAR(83),CHAR(99)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)and