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27 maj 2011 · select * from foo where NOT( test-1 and test-2 and ( test-3 OR test-4 ) ) or select * from foo where not test-1 OR not test-2 OR ( not test-3 and not test-4 )
13 lip 2024 · The "not equal to" operator allows you to exclude specific values from your query results, enabling more targeted data retrieval. Syntax: The "not equal to" operator can be represented in two ways in MySQL: - '<>' - '!=' Both can be used interchangeably in most cases, but it's good practice to stick to one for consistency. MySQL Version: 8.0.
Since v2024.3.0 SQL artifacts are available for MySQL, PostgreSQL and SQLite that provide .sql dump files to import the schema and data directly in these database systems. If you want to populate another database system (e.g. H2) then most likely the PostgreSQL .sql dump file is your best option.
Logical OR. XOR. Logical XOR. In SQL, all logical operators evaluate to TRUE, FALSE, or NULL (UNKNOWN). In MySQL, these are implemented as 1 (TRUE), 0 (FALSE), and NULL. Most of this is common to different SQL database servers, although some servers may return any nonzero value for TRUE. MySQL evaluates any nonzero, non- NULL value to TRUE.
22 mar 2015 · SELECT * FROM (`users`) WHERE `date_next_payment` <= '2011-02-02' AND `status` = 'active' OR `status` = 'past due'. In this example, you will get all records where either. a) The date_next_payment is before 2nd Feb 2011 AND status is active. b) The status is past_due.
25 sty 2024 · In this tutorial, we will explore various MySQL comparison operators such as greater than (>), less than (<), equal to (=), and more, through concise explanations and code examples.
Example. ALL. TRUE if all of the subquery values meet the condition. Try it. AND. TRUE if all the conditions separated by AND is TRUE. Try it. ANY. TRUE if any of the subquery values meet the condition.
