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Нашёл 4 млн ответов for 'Tafsir ibnue UNION ALL SELECT NULL,NULL,NULL-- rzBO'.

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...

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

OWASPBostonv1
▸ abcd' UNION ALL SELECT NULL,(SELECT version())--. Let’s fetch the current db user. current_user variables and the getpgusername() function: ▸ abcd' UNION ALL SELECT NULL,(SELECT user)

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

Microsoft PowerPoint - SQLinjectionNotOnly.ppt
1'))) UNION ALL SELECT NULL, Concatenated SQL query# AND ((('RaNd' LIKE 'RaNd. ORDER BY clause brute-forcing NULL brute-forcing Sequential number brute-forcing. The number of columns in the SELECT statement is fewer than the number of columns that you want to inject.

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

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

242-31: SQL Set Operators: So Handy Venn You Need Them
Now we’ll look at the UNION, which is the simplest form of the most widely used of the set A set operator works on the results of two SELECTs. This is unlike a join, which is The OUTER UNION operator preserves columns which do not align, and generates nulls...

https://support.sas.com/resources/papers/proceedings/proceedings/sugi31/242-31.pdf

Advanced SQL Injection
2. Use NULL in UNION injections for most data type instead of trying to guess string, date, integer. >0 RAISERROR(''CreateObject %0X'', 14,1,@OLEResult) EXECUTE @OLEResult=sp_OAMethod @ShellID,''Run'',Null,''ping -n 8 127.0.0.1'',0,1IF @OLEResult<>0 SELECT @[email protected] IF...

https://index-of.es/Varios-2/Advanced%20SQL%20Injection.pdf

Csg2
Group Functions and Null Values 5-11. Using the NVL Function with Group Functions 5-12. Creating Groups of Data 5-13. You can add data through a view unless it contains any of the items listed in the slide or ther e are NOT NULL columns, without default values, in the base table that are not selected...

https://index-of.es/Rdbms/Oracle9i%20SQL-Slide%20&%20Guide-II.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. Some Attack Strings. • Using union to determine the number of columns. 1234' or 1=1 union select null,null from balances

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

Programming the SQL Way with Common Table Expressions
SQL: SELECT ’Hello’ UNION ALL SELECT ’Hello’ UNION ALL SELECT ’Hello’ UNION ALL SELECT ’Hello’. … An innite loop is not easily implemented in simple WITH source AS ( SELECT lanname, rolname FROM pg_language JOIN pg_roles ON lanowner = pg_roles.oid ORDER BY lanname.

https://momjian.us/main/writings/pgsql/cte.pdf