sql - Union to handle NULL values - Stack Overflow ... Try to search 999999 9' union all select cast(0x393133353134353632312e39 as char) and '0'0 here.
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
0x39313335313435363237322e39 is just the hex text of 91351456272.9.
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Union select null, null, null, null, null, null, null from information_schema.tables.
As of a couple of weeks ago, I keep seeing a LOT of 404s that don't even look like links
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...
999999.9 union all select cast0x393133353134353632312e39 as char and 0=0.
SELECT 'The list price is ' + CAST(ListPrice AS varchar(12)) AS ListPrice FROM dbo.DimProduct WHERE ListPrice BETWEEN 350.00 AND
The null character (also null terminator or null byte) is a control character with the value zero. It is present in many character sets, including ISO/IEC 646 (or ASCII), the C0 control code, the Universal Coded Character Set (or Unicode), and EBCDIC.