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Нашёл 13 млн ответов for 'the effect of alcoholic UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL-- TybL'.

4/4
UNION ALL SELECT NULL, *, NULL, NULL FROM email ... Use of an unqualified * with other items in the select list may produce a parse error. ... select NULL, email.*, NULL, NULL from email ... the tables when only using one table and selecting literals in addition to all the columns on that single...

https://www.docdroid.net/file/download/y6aFEhT/1589610482388-pdf.pdf

064-29: Creating Efficient SQL - Union Join without the Union Clause
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. When consituent table sizes are small one...

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

Advanced_SQL_InjectionV2
Union: The SQL UNION is used to combine the results of two or more SELECT SQL statements into a Notice that each SELECT statement within the UNION must have the same number of columns. Change the first part of the query to a null or negative value so we can see what field will echo data...

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

OWASPBostonv1
▸ abcd' UNION ALL SELECT NULL,(SELECT version())--. Let’s fetch the current db user. ▸ Fetch Table Names: ▸ abcd' UNION ALL SELECT NULL,(SELECT. string_agg(table_name,', ') AS tables_list FROM information_schema.tables WHERE table_schema...

https://owasp.org/www-pdf-archive/Abhay_Boston_2017_World_Tour_Presentation.pdf

1'))) UNION ALL SELECT NULL, Concatenated SQL query# AND...
ORDER BY clause brute-forcing NULL brute-forcing Sequential number brute-forcing. The number of columns in the SELECT statement is fewer than For a UNION query SQL injection exploit: SELECT name, surname FROM users WHERE name='foobar\' UNION ALL SELECT NAME, PASSWORD...

https://owasp.org/www-pdf-archive/SQLinjectionNotOnly.pdf

SQL Injection in Oracle Webapps
SELECT null,null,null,null FROM DUAL è Number of Columns = 4. Red-Database-Security GmbH. or 1=SYS.DBMS_AW_XML.READAWMETADATA((select banner from v $version where rownum=1),null)

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

iqapgv2.book
For the purpose of grouping, all NULL values are considered to be in the same group, even though NULL values are not equal to one another. 4 The resulting rows are grouped together based on distinct values of the expressions in the GROUP BY clause, treating NULL as a special value in each...

http://infocenter.sybase.com/help/topic/com.sybase.infocenter.dc00800.1510/pdf/iqapgv2.pdf

Comparisons Involving NULL and Three-Valued Logic (cont’d.)
Meanings of NULL. Unknown value Unavailable or withheld value Not applicable attribute. Each individual NULL value considered to be different from every other NULL value SQL uses a Nested queries. Complete select-from-where blocks within WHERE clause of another query Outer query.

http://eecs.csuohio.edu/~sschung/cis430/Elmasri_6e_Ch05AddedAllSetDivision_Nov2016_2.pdf

Inserting NULL values into a table and Selecting NULL values
select * from Employee1; -- Employee1 table does NOT have FK constraint superssn to PK ssn, so any value including NULL or ' ' will be accepted but NULL is taken as missing Insert Into Employee1 Values ('James', 'X', 'Brog1', '888660001','10-Nov-27','450 Stone, Houston, TX', 'M','55000', Null,'1')

http://cis.csuohio.edu/~sschung/cis430/HandlingNULLvalues.pdf

SS39ET/SS49E/SS59ET Series Linear Hall-Effect Sensor ICs
DESCRIPTION The SS39ET/SS49E/SS59ET Series Low-cost Linear Hall-effect sensors are small, versatile devices that are operated by the magnetic field from a permanent magnet or an electromagnet. The linear sourcing output voltage is set by the supply voltage and varies in proportion to the strength...

https://robot-kit.ru/wa-data/public/blog/download/SS49E_Datasheet.pdf