экоисламикбанк автокредит в бишкеке union all select null,null ...
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SQL Injection Bypassing WAF Software Attack | OWASP Foundation
• The SQL request will become. SELECT * from table where id =1 union select 1,2,3
The SQL Injection Knowledge Base | Find Columns from Table Name
AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP BY CONCAT((SELECT table_name FROM information_schema.tables LIMIT 1),FLOOR(RAND(0)*2))).
php - Selecting records where all columns have data and are not null
mysql> SELECT CONCAT(GROUP_CONCAT(CONCAT('ISNULL(',column_name,')') SEPARATOR '+'),'=0') -> INTO @WhereClause FROM information_schema.columns -> WHERE table_schema=@MyDB AND table_name=@MyTB; Query OK, 1 row affected (0.00 sec).
MySQL :: MySQL 8.0 Reference Manual :: 12.20.1 Aggregate Function...
mysql> SELECT COUNT(DISTINCT results) FROM student; In MySQL, you can obtain the number of distinct expression combinations that do not contain
Yandex.ClickHouse injection - Deteact - continuous information...
Instead of the standard UNION, ClickHouse only supports UNION ALL to combine requests
15-sql_queries_02-chinook/chinook-queries.sql at master...
select * from employee. where employee.title = 'Sales Support Agent'; -- 5. Provide a query showing a unique list of billing countries from the Invoice table. select distinct billingcountry from invoice; -- 6. Provide a query showing the invoices of customers who are from Brazil.
String functions | BigQuery | Google Cloud
SELECT characters, CHARACTER_LENGTH(characters) AS char_length_example FROM
Функция CONCAT - сложение строк при выборке | Трепачёв Дмитрий
Функция CONCAT предназначена для сложения строк при выборке из базы данных. Строками обычно выступают поля таблиц.
MySQL CONCAT() Function
SELECT CONCAT("SQL ", "Tutorial ", "is ", "fun!") AS ConcatenatedString; Try it Yourself ». Definition and Usage. The CONCAT() function adds two or more expressions together.