FULL OUTER JOIN with SQLite
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20-09-2019 - |
Question
SQLite only has INNER and LEFT JOIN.
Is there a way to do a FULL OUTER JOIN with SQLite?
Solution
Yes, see the example on Wikipedia.
SELECT employee.*, department.*
FROM employee
LEFT JOIN department
ON employee.DepartmentID = department.DepartmentID
UNION ALL
SELECT employee.*, department.*
FROM department
LEFT JOIN employee
ON employee.DepartmentID = department.DepartmentID
WHERE employee.DepartmentID IS NULL
OTHER TIPS
Following Jonathan Leffler's comment, here's an alternative answer to that of Mark Byers':
SELECT * FROM table_name_1 LEFT OUTER JOIN table_name_2 ON id_1 = id_2
UNION
SELECT * FROM table_name_2 LEFT OUTER JOIN table_name_1 ON id_1 = id_2
See here for original source and further SQLite examples.
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