select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не число, а строка) (M) SELECT 0x50 + 0x45
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char --. تفسير فرط السبحة في المنام.
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char cAsT
Number of null-s on change between passed and failed queries is the one attacker looks for. 4) Same for user auth tables: ends query with likely
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...
1' UNION SELECT @--+ #The used SELECT statements have a different number of columns 1' UNION SELECT
select cast(0 as bit not null) as myzero, -- invalid syntax cast(1 as bit not null) as myone -- invalid syntax into dbo.zz_foo; (also, too bad there's no
Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.
You should use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)