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SQL Injection Attacks - Macrotone Blogs

macrotoneconsulting.co.uk

And 0x217e21 becomes

mysql - Site has been hacked via SQL Injection - Stack Overflow

stackoverflow.com

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.

sql server - Purpose of SQL Injection - Server Fault

serverfault.com

So we have a search field on our website, and I save all of the search terms to a database table. I brought up the search term table today and noticed some weird searches...

MySQL select with CONCAT condition - Stack Overflow

stackoverflow.com

SELECT neededfield, CONCAT(firstname, ' ', lastname) as firstlast FROM users WHERE CONCAT(firstname, ' ', lastname) = "Bob Michael Jones". Your alias firstlast is not available in the where clause of the query unless you do the query as a sub-select.

SQL injection

sqlinjection.site123.me

21 and (select 1 from (select count(*),concat((select(select concat(cast(column_name as char),0x7e)) from information_schema.columns where table_name=0x73657474696e6773 limit 2,1),floor(rand(0)*2))x from information_schema.tables group by x)a).

MySQL :: MySQL 8.0 Reference Manual :: 12.5 String Functions and...

dev.mysql.com

CONCAT() returns NULL if any argument is NULL.

Шпаргалка по SQL инъекциям | DefconRU

defcon.ru

Синтаксис: ; (S): SELECT * FROM members; DROP members-- Один запрос закончился

Внедрение SQL-кода — Википедия

ru.wikipedia.org

SELECT * FROM news WHERE id_news = 5. Но если злоумышленник передаст в качестве параметра id строку -1 OR 1=1 (например, так

SQL SELECT « Язык запросов SQL

sql-language.ru

SELECT pname FROM posts UNION SELECT dname FROM departments; С помощью UNION мы объединяем два запроса SQL SELECT и выводим их

SQL UNION Operator

www.w3schools.com

Example. SELECT City FROM Customers UNION SELECT City FROM Suppliers ORDER BY City

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