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Нашёл 12 млн ответов for 'Tafsir ibnue UNION ALL SELECT NULL-- NsDq'.

064-29: Creating Efficient SQL - Union Join without the Union...
SELECT col FROM a UNION SELECT col FROM b. data _null_; set a b; run; COL one two three six seven eight. The ambiguity whether to list table a or b first, before the UNION statement is a big hint that this query will perform sub-optimally at the database.

https://support.sas.com/resources/papers/proceedings/proceedings/sugi29/064-29.pdf

Null Session Enumeration from a
Null Session Enumeration from a Windows-Based System. The first step in enumerating CIFS/SMB is to connect to the service using the Exercise 1: Creating a null session from your Windows attack system: 1. From a Windows attack system command shell, type the...

https://www.utc.edu/center-academic-excellence-cyber-defense/pdfs/4660-lab4.pdf

Microsoft Word - Blindfolded SQL Injection - Final.doc
Since performing a UNION SELECT statement requires knowledge of the number of This comes in the form of the NULL keyword in SQL. Unlike injection of static fields, which It is therefore possible to inject a UNION SELECT statement where all fields are null, and...

https://www.imperva.com/docs/IMPERVA_HII_blind-sql-injection-attacks.pdf

The OWASP Foundation
1'))) UNION ALL SELECT NULL, Concatenated SQL query# AND ((('RaNd' LIKE 'RaNd. The number of columns in the SELECT statement is fewer than the number of columns that you want to inject.

https://www.owasp.org/images/e/ed/SQLinjectionNotOnly.pdf

Advanced_SQL_InjectionV2
All queries in an SQL statement containing a UNION operator must have an equal number of expressions in their target lists. Change the first part of the query to a null or negative value so we can see what field will echo data back to us.

https://owasp.org/www-chapter-belgium/assets/2010/2010-06-16/Advanced_SQL_InjectionV2.pdf

Advanced_SQL_InjectionV2
Union-Based SQL Injection Syntax for extracting the USER. All queries in an SQL statement containing a UNION operator must have an equal number of expressions in their target lists. Change the first part of the query to a null or negative value so we can see what field will echo data back to us.

https://owasp.org/www-chapter-belgium/assets/2010/2010-06-16/Advanced_SQL_InjectionV2.pdf

The OWASP Foundation
1'))) UNION ALL SELECT NULL, Concatenated SQL query# AND ((('RaNd' LIKE 'RaNd. The number of columns in the SELECT statement is fewer than the number of columns that you want to inject. Front Range OWASP Conference, Denver (USA).

https://www.owasp.org/images/e/ed/SQLinjectionNotOnly.pdf

Hacking Oracle From Web Apps
SQL is a limited language that allows you to directly interact with the database. You can write queries (SELECT), manipulate data and objects (DDL, DML) with SQL. However, SQL doesn't include all the things that normal programming languages have...

https://www.defcon.org/images/defcon-18/dc-18-presentations/Siddharth/DEFCON-18-Siddharth-Hacking-Oracle-From-Web.pdf

Hacking and Securing
-- Query traps select min(b) from t1, (select a, b from t2 group by a, b) where x = a and a = 1 group by a;! To hit the trap, the following conditions need to be satisfied:! 1. MQT has group by clause and it references to T1 but not T2.

https://www.defcon.org/images/defcon-19/dc-19-presentations/Kornbrust/DEFCON-19-Kornbrust-Hacking-and-Securing-DB2.pdf

SQL - unions clause
The SQL UNION clause/operator is used to combine the results of two or more SELECT statements without returning any duplicate rows. To use UNION, each SELECT must have the same number of columns selected, the same number of column expressions, the same data type...

http://www.tutorialspoint.com/sql/pdf/sql-unions-clause.pdf