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...
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used
...NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULl, NULL-- Можно использовать CAST
UNION позволяет объединять результаты в один от нескол��ких выражений SELECT. Конструируем наш запрос с UNION
There is also some discussion concerning null vs undefined - do we really
Select name from ships where class = name union select ship as name from classes,outcomes where classes.class = outcomes.ship.
Title says it all, every time i run strstr() between the first string and the string to be searched for, I keep getting "null" returned. Code snippet below
I have the following query that may return null if certain dates are selected, I want to display 0 instead of a blank but cannot figure it out: * I removed the date code to make it easier. SELECT ISNULL(COUNT(*), '0') AS thecount.
NULL в языках программирования Си и C++ — макрос, объявленный в заголовочном файле stddef.h (и других заголовочных файлах).
Также может использоваться для присвоения значения NULL, если столбец не имеет значений по умолчанию и может принимать значения