whatsapp windows 8 problem" and(//select 1 //from(//select count...
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...
Шпаргалка по SQL инъекциям | DefconRU
(M): SELECT CONCAT(login, password) FROM members. 7. Строки без кавычек Есть несколько
SQL Инъекции | Page 797 | ANTICHAT - Security online community
...Null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,concat
mysql - GROUP_CONCAT return NULL if any value... - Stack Overflow
How can I make GROUPT_CONCAT return NULL if any column is NULL? Here is a test table
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.
Функция CONCAT - сложение строк при выборке | Трепачёв Дмитрий
Функция CONCAT предназначена для сложения строк при выборке из базы данных. Строками обычно выступают поля таблиц.
When querying with GROUP_CONCAT an empty result is not empty...
RowDataPacket { id: null, email: null, pwd: null, created: null, updated: null, confirmed: null, deleted: null, gender: null, firstname: null, lastname: null, contractIds: null }. When querying the DB directly (e.g. using SequelPro), the second query using the GROUP_CONCAT works fine and returns 0 items.
select - Display both null and not null under same id but not both null...
In this table I need to select only the ids which have both null and not null marks, and it should not be both not null or both are null in col1.
Результат CONNECT BY LEVEL / Oracle / Sql.ru | Форум
Есть запрос вида. SELECT a.*, LEVEL FROM (.