...NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT(0x717a6a7171
Возможность перевести текст из буфера обмена, веб-страницу или документ на многие языки.
Payload: id=11 UNION ALL SELECT NULL,NULL,NULL,CONCAT(0x7162686471,0x4567455251765277467a,0x7172716271),NULL#.
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...
...Null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,concat(0x716b756a71
...UNION ALL SELECT NULL,NULL,NULL,version(),NULL,NULL,NULL,NULL,NULL,NULL,NULL
Note: A NULL value is different from a zero value or a field that contains spaces. A field with a NULL value is one that has been left blank during record creation!
BSoD 0x0000007E является общей ошибкой. Чтобы интерпретировать её, необходимо идентифицировать, какое исключение было сгенерировано. Для этого необходимо проанализировать код исключения (первый параметр ошибки). Самые распространенные из них
In SQL, a comparison between a null value and any other value (including another null) using a comparison operator (eg =, !=, <, etc) will result in a null, which is considered as false for the purposes of a where clause (strictly speaking, it's "not true", rather than "false", but the effect is the same).
Address 0x9b6f69dff31d28bad4f5e269916c8b0762e8b7c8. Buy.