Select char_length(cast('123456789 1' as varchar(10))) from rdb$database. Получаем: Exception ... string truncation Т.е. пробел мы обрезать можем, а другие символы нет. Так и должно быть или нет?
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char
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Оба UNION и UNION ALL объединяют результат двух разных SQL.
CHAR() (SM): SELECT CHAR(64) Переводит ASCII-код в соответствующий символ. 9. Оператор UNION С оператором UNION можно делать запросы к пересечению таблиц.
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Extract database with information_schema. Then the following codes will extract the databases'name, tables'name, columns'name. UniOn Select 1,2,3,4,...,gRoUp_cOncaT(0x7c,schema_name,0x7c)+fRoM+information_schema.schemata UniOn...
כל מה שקשור ל999999.9+/**/uNiOn/**/aLl+/**/sElEcT+0x393133353134353632312e39,0x393133353134353632322e39
'999999.9' /**/uNiOn/**/aLl /**/sElEcT 0x393133353134353632312e39,0x393133353134353632322e39,0x393133353134353632332e39 and '0'='' için Arama Sonuçları.
So, as it's being used a lot, I would submit my answer. In my opinion, the aim of these requests is to check the presence or absence of a sql injection.