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...
...null, null, null, null from information_schema.tables. for a small database containing three tables
UNION ALL SELECT NULL, *, NULL, NULL FROM email. I understand what this does and why; the hacker needs to create a query that has the same
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char --. تفسير فرط السبحة في المنام.
1' UNION SELECT @--+ #The used SELECT statements have a different number of columns 1' UNION SELECT
Существуют специальные операторы IS NULL и IS NOT NULL, которые позволяют производить сравнения с NULLами.
/**/sElEcT null,null,null,null,null,null,null,null,null,null,null
as char) and(0=0 поиск видео вконтакте php'1111111111111 union select char(45,120,49,45,81,45) -- /* раззелтон999999.1 union select unhex(hex(version())) -- and 1=1 мен әжемін олен and
Note: A NULL value is different from a zero value or a field that contains spaces.
It should be noted that NULL pointer is different from an uninitialized and dangling pointer.