mysql - Site has been hacked via SQL Injection - Stack Overflow
If you had SELECT * FROM users and users had 4 columns, the UNION must also have 4 columns. As a result, they just used `NULL values to populate those columns.
concat string with select count value - mysql - Stack Overflow
I want to add string with selected count value from table. SELECT CONCAT(COUNT(*),' ', if(COUNT(*) > 1, 'rows','row')) AS NoOfRows FROM myTable
MySQL :: MySQL 8.0 Reference Manual :: 12.7 String Functions and...
CONCAT_WS() stands for Concatenate With Separator and is a special form of CONCAT(). The first argument is the separator for the rest of the arguments. The separator is added between the strings to be concatenated.
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PART 1 - Advanced SQL Injection - Bypass 1024 Character Limit
mybasictricks.blogspot.com
But, in our case we do not have the permissions to change these limits. One of the very handy functions we use in our SQL Injection query is group_concat(). This function returns a string with concatenated non-NULL values from a group and by default it is also limited to a character length of...
Logging in MySQL - Checkmate
mysql> select Host, User, Password from mysql.user; Figure 6: Users table in MySQL.
Шпаргалка по SQL инъекциям | DefconRU
(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...
Функция CONCAT | Интерактивный учебник по SQL | SQL-tutorial.ru
SELECT CONCAT(hd, ' Gb') volume FROM PC WHERE model=1232
MySQL CONCAT() Function
SELECT CONCAT("SQL ", "Tutorial ", "is ", "fun!") AS ConcatenatedString; Try it Yourself ». Definition and Usage. The CONCAT() function adds two or more expressions together.