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...
';SELECT null,null,null,null,null,null,null,null,null,null, null,null,null,null работает вне зависимости от числа полей в исходном.
Union select null, null, null, null, null, null, null from information_schema.tables. for a small
Используйте NULL в UNION-инъекциях вместо попыток угадать строку, дату, число и прочее. Но будьте аккуратны при слепой инъекции, т.к. вы можете спутать ошибку БД и самого приложения. Некоторые языки, например ASP.NET, выдают ошибку при использовании значения NULL (т.к...
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char --. تفسير فرط السبحة في المنام.
UNION ALL SELECT NULL, *, NULL, NULL FROM email. I understand what this does and why; the hacker needs to create a query that has the same number of columns as the query it's being merged with, and shifted around the * to make sure the emails are displayed. That's not my question.
SELECT CAST (miles AS INT) FROM Flights -- convert timestamps to text INSERT INTO
It should be noted that NULL pointer is different from an uninitialized and dangling pointer.
I've tried setting the pointer to null but keep getting a segmentation error. Thanks.
...NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,concat%28version