select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database. If TYPE OF is used with a (VAR)CHAR type, its character.
Select char_length(cast('123456789 1' as varchar(10))) from rdb$database. Получаем: Exception ... string truncation Т.е. пробел мы обрезать можем, а другие символы нет. Так и должно быть или нет?
2018-12-04 {\x22visitorId\x22: null, \x22pageSize\x22: 36, \x... 2018-12-04 i \x63\x61nt ti\x65n ti\x65n 2018-12-04 \x2f\x01\x69\163\151\x62\x69\154it\171 2018-12-04 \x65m ko th\x65 \.
Need to check is null or zero by column if something wrong doing some algorithm.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
Очередной SQL Injection довольно массового характера Обнаружив на сайте урлы вида /album.phtml?id=340 бот злоумышленника предлагает php-шному коду к рассмотрению урлы формата например /album.phtml?id=999999.9+%2f**%2fuNiOn%2 f**%2faLl+%2f**%2f sElEcT+...
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char.
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...
CAST(expression AS datatype(length)). Parameter Values.
When the CAST or CONVERT functions output a character string, and they receive a character string input, the output has the same collation and collation label as the input.