sql injection "union select null" - CodeProject
Union select null, null, null, null, null, null, null from information_schema.tables.
SQL NULL Values - IS NULL and IS NOT NULL
A field with a NULL value is a field with no value. If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this
SQL injection SOS !!! - MySQL - Киберфорум
cat_id 16 UNION ALL SELECT NULL, NULL, NULL, NULL, NULL, cat_id 16 UNION ALL SELECT NULL, NULL, NULL, NULL, NULL, cat_id 16 UNION ALL SELECT NULL, NULL, NULL, NULL, NULL, cat_id 16 UNION ALL SELECT NULL, NULL, NULL, NULL...
Status Ucun Romantika') Union All Select Null, null, null, null, null...
Calling All Cars: Ghost House / Death Under the Saquaw / The Match Burglar.
SQL Injection Cheat Sheet | Netsparker
SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members This will combine results from both news table and members table and return all of them. Another Example: ' UNION SELECT 1, 'anotheruser', 'doesnt matter', 1--. UNION – Fixing Language Issues.
'mauserm98 union all select null, null, null, null--' için Arama Sonuçları
'mauserm98 union all select null,null,null,null--' için Arama Sonuçları.
Оператор объединения UNION | Использование UNION ALL
запрет пустых значений (NULL) в любом столбце объединения
uid=99+union+select+null | Форум
Почему конструкция uid=99;+select+null не работает? Я не знаю какая именно СУБД там
Заметка про NULL / Хабр
IS NULL вернёт истину, если операнд имеет значение NULL и ложь, если он им не является.