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...
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables.
Не сейчас. Месяц бесплатно. SGs2 imei (null null) реш��ние проблемы.
...SELECT NULL,NULL,NULL,version(),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL
Вывод имён колонок (MySQL >= 4.1 колонки NOT NULL).
The tutorial comprises of brief explanation on NULL value, NOT NULL value, NULL keywords and
Union [all]. Select. column3, column4. FROM. table2; To use the UNION operator, you write the dividual SELECT statements and join them by the keyword UNION.
UNION SELECT, where do you put the the INTO OUTFILE clause? On the first SELECT, on the last or somewhere else? The manual has the answer here
11223344) UNION SELECT NULL,NULL,NULL,NULL WHERE 1=2 –- Если нет ошибки, значит синтаксис верный, т.е. используется MS SQL Server.