sql - Union to handle NULL values - Stack Overflow ...
Then in the second table I have select ..., null as opt from... I know that I could have an empty string with '' as opt however, I don't want an empty string, I really do need it to be null.
Используйте NULL в UNION-инъекциях вместо попыток у��адать 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...
eisz kz1111111111111 union select char(45,120,49,45,81,45) -- real steel cast movie 36200 uts99999" union select unhex(hex(version())) -- "x"="x seven years in tibet full cast and crew. Сегодня искали: rp500 looper download real steel world robot boxing free robot pass gta san andreas...
union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,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...
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char.
999999.9+union+all+select+%27R3DM0V3_hvj_injection',null
The IS NULL operator is used to test for empty values (NULL values). The following SQL lists all customers with a NULL value in the "Address" field: Example. SELECT CustomerName, ContactName, Address FROM Customers WHERE Address IS NULL