php - Select one value from database - Stack Overflow. stackoverflow.com. I have the code bellow, it's ok but I want to be able to use for example the 4th value extracted from the database, use it alone, not put all of them in a list, I want to be able to use the values from database individually.
Запрос: select * from users where id=2 or login='$text' limit 1. Подсказка: почитать классику sql инъекций.
42 select user from mysql.user where user = ‘user’ OR ascii(mid(password,1,1))=42 select user from mysql.user
The list of select_expr terms comprises the select list that indicates which columns to retrieve. Terms specify a column or expression or can use * -shorthand: A select list consisting only of a single unqualified * can be used as shorthand to select all columns from all tables
Проблема в том, что в этой огромной бд, достается этим havij 99% всех данных, но конкретно данная таблица, не достается, пишет следующее: Count(*) of u0021_kinovdom.orders is 0 Can not get rows count, trying to get 10 rows Turning off 'bypass illegal union' and retrying!
1'and 0x61=(SELECT mid(pass,1,1) from users limit 1,1)and'1 1'unionpass,load_file(0x123456789)from users
INSERT INTO Table (col1, col2, col3) SELECT col1, col2, col3 FROM other_table WHERE sql = 'cool'. Is it also possible to update a table with SELECT? I have a temporary table containing the values and would like to update another table using those values. Perhaps something like this
...on line 344 Web LinksA selection of links that are all related to the Joomla!
Реализовать обработку вставки/обновления записи таким образом, чтобы работало не только через какую-либо хранимую процедуру, но и при прямой вставке/апдейте таблицы через удобные средства разработки (PL/SQL Developer, TOAD и пр., т.е. через прямые insert/update).
SELECT is used to retrieve rows selected from one or more tables, and can include UNION statements and subqueries.