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Нашёл 8 млн ответов for 'Tafsir ibnue UNION ALL SELECT NULL,NULL,NULL,NULL,NULL-- dXpF'.

Microsoft Word - Blindfolded SQL Injection - Final.doc
Once the NULL-based UNION statement works, it is a trivial process to identify the types of each column. In each iteration a single field is tested for its type. All three types (number, integer, string) are tested for the field, one of them should work. This way, it takes up to three times the number of...

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

A name for the null pointer: nullptr (revision
A null pointer constant is an integral constant expression (expr.const) rvalue of integer type that evaluates to zero. A null pointer constant can be converted to In particular: § Distinguishing between null and zero. The null pointer and an integer 0 cannot be distin-guished well for overload resolution.

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf

Null Session Enumeration from a
Null Session Enumeration from a Windows-Based System. The first step in enumerating CIFS/SMB is to Exercise 1: Null session enumeration using WinScanX: in this exercise, you will run 9. You can also view the output of the scan by clicking the View Reports button and selecting the various reports...

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

Exploiting Webapps using Oracle Databases
SELECT firstname, lastname FROM customers UNION SELECT username, null FROM ALL_USERS ORDER BY 1,2. The most common techniques are the usage of "ORDER BY" or adding NULL values to the second query. SELECT * FROM table UNION.

http://www.red-database-security.com/wp/oracle_sql_injection_2009.pdf

ODTUG - SQL Injection Crash Course for
Basics – Injection Points. Select from where group by having union select … The most common techniques are the usage of "ORDER BY" or adding NULL values to the second query. SELECT * FROM table UNION.

http://www.red-database-security.com/wp/OOW2009_sql_crashcourse_for_developers.pdf

oracle_forensics_101.pptx
detail1, owner as username, null as serial#, null as session_id from ext_dba_objects where object_type='TABLE‘ union all select 0 as inst_id, 'DBA' as dstype,'DBA_OBJECTS' as datasource, created as timest, 'View Created' as activity, 'CREATED' as timestamp_name...

http://www.red-database-security.com/wp/oracle_forensics_101.pdf

Database Management Systems Lecture Notes
Database nulls require special processing in ORDER BY. A null column sorts higher than all regular values; this is reversed for DESC. In sorting, nulls are considered duplicates of each other for ORDER BY. Sorting on hidden information makes no sense in utilizing the results of a query.

https://www.jbiet.edu.in/coursefiles/cse/HO/cse2/DBMSI-III.pdf

UNIT-1
Having null values for the primary key implies that we cannot identify some tuples. name Mario SELECT Clause The SELECT clause is mandatory. It specifies a list of columns to be retrieved from Since two null columns may eventually be assigned different values, one null can't be compared to...

http://www.svecw.edu.in/Docs%5CITIIBTechIISemLecDBMS.pdf

SQL Injection
1234' and account=NULL; -- For mysql, there must be white space after --. You are identified as name userid. – We know account is a valid field name, because. 1234' or 1=1 union select null from balances; -- The used SELECT statements have a different number of columns.

https://www.cs.montana.edu/courses/csci476/topics/sql_injection.pdf

NULL Convention Logic
If one input value remains NULL at least one result value will remain NULL. For instance if D becomes NULL the NULL value will propagate through gates 1, 3, 4, 6, 7, 8 and 9 driving all of the result values to NULL while there are still data values lingering on the input and internal to the circuit.

https://users.soe.ucsc.edu/~scott/papers/NCL2.pdf