SELECT CAST (miles AS INT) FROM Flights -- convert timestamps to text INSERT INTO mytable (text_column) VALUES ... Now you can chat with who search for : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char.
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CHAR() (SM): SELECT CHAR(64) Переводит ASCII-код в соответствующий символ. 9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц. В основном, вы можете отправить запрос, возвращающий значение из другой таблицы.
...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
-1 UNION SELECT group_concat(username, 0x3a, password) FROM admin.
Tüm mesajları oku. "1' UNION ALL SELECT NULL,NULL-- BxPu" araması sonucu bulunanlar
Select name from ships where class = name union select ship as name from classes,outcomes where classes.class = outcomes.ship. Задание: 37 (Serge I: 2003-02-17). Найдите классы, в которые входит только один корабль из базы данных (учесть также корабли в Outcomes).
A null pointer constant is defined as "An integer constant expression with the value 0, or such an expression cast to type void *".
Data types CHARACTER (CHAR) and CHARACTER VARYING (VARCHAR) are collectively referred to as character string types, and the values of character string types
Cast a string to a binary string. & Bitwise AND.