mysql - SQL Injection attack - What does this do? - Stack Overflow
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'.
Cuvinte din Grădină Cuvinte: Cinema+AND+(SELECT+6935+FROM...
...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).
SQL Инъекции | Page 9 | ANTICHAT - Security online community
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a).
nodeid=70) and(select 1 from(select count(*), concat... - Pastebin.com
information_schema.tables group by x)a) AND (1338=1338.
Intro to sqlmap · 2buntu
FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'jjhL'='jjhL&Submit=Submit.
Шпаргалка по SQL инъекциям | DefconRU
Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не число, а строка) (M) SELECT 0x50 + 0x45 (теперь это число) (M)
13.2.9 SELECT Statement
SELECT is used to retrieve rows selected from one or more tables, and can include UNION statements and subqueries.
MySQL 8.0 Reference Manual :: 12.20.1 Aggregate (GROUP BY)...
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.
SQL COUNT: The Ultimate Guide To SQL COUNT Function
You can use the COUNT function in the SELECT statement to get the number of employees, the number of employees in each department, the