Answer by Thorsten Kettner for SQL find where two tables does not match...
You are looking for a NOT IN (or NOT EXISTS) clause: records from one table that have no match in another:select * from user_has_academy_modulewhere (user_id, academy_team_id) not in (select user_id,...
View ArticleAnswer by stravanato for SQL find where two tables does not match (combined key)
Try this:SELECT m.* FROM user_has_academy_module AS m LEFT JOIN user_has_academy_team as t ON m.user_id = t.user_id AND m.academy_team_id = t.academy_team_id WHERE t.user_id IS NULLThat's how it works:...
View ArticleAnswer by e4c5 for SQL find where two tables does not match (combined key)
SELECT a.* FROM user_has_academy_team aLEFT JOIN user_has_academy_module b ON a.user_id = b.user_id AND a.academy_team_id = academy_team_idWHERE b.user_id IS NULL or b.academy_team_id IS NULLShould...
View ArticleSQL find where two tables does not match (combined key)
I have the following two tables:Table: user_has_academy_teamColumns:user_id int(11) PKacademy_team_id int(11) PKtimestamp datetimeTable: user_has_academy_moduleColumns:id int(11) AI PKuser_id...
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