... NULL when all input values are NULL or the input data set is empty. ... > SELECT name, age FROM person UNION SELECT name ... return a TRUE , FALSE or UNKNOWN (NULL) ...
docs.databricks.com3 нояб. 2022 г. ... ... union all select NULL as numeral, NULL as name union all select ??? ... else numeral end as numeral , case grouping ... else name end as name ...
forum.vertica.com4 дня назад ... A AS ( SELECT 1 as x UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT NULL), ... SELECT NULL, false) ORDER BY x; /*------+ ... query1 UNION ...
cloud.google.com28 дек. 2018 г. ... Happlily your RDBMS is clever enough to figure out that NULL IS NULL , and eliminates duplicate rows when UNION is used. NB : null = null is ...
stackoverflow.com... all types. - Advanced-SQL-Injection-Cheatsheet ... Union Select null,null,null,null. The alternative way of using Null. Union Select 0,0,0,0 Union Select false, ...
github.comWe use NULL as the values returned from the injected SELECT query because the data types in each column must be compatible between the original and the injected ...
portswigger.net21 дек. 2011 г. ... You are sorting the entire result, not just the records from the second select. You can use the [Identifier] field to keep the records from ...
stackoverflow.comWhen a GROUP BY clause is used in a SELECT statement all ... SELECT origin_state, NULL, NULL, sum ... SELECT 13 UNION ALL SELECT * FROM (VALUES 42, 13);
trino.io... SELECT 8 BETWEEN NULL AND 6; -- false ... NULL; -- false SELECT NULL IS NOT DISTINCT FROM NULL; -- true ... SELECT 41 UNION ALL SELECT 42 UNION ALL SELECT 43); -- ...
trino.ioIF (1=1) SELECT 'true' ELSE SELECT 'false' ... SELECT header, txt FROM news UNION ALL SELECT name, pass FROM members ... UNION SELECT NULL,NULL,NULL,NULL WHERE 1=2 ...
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