Explain UPDATE with JOIN.
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How do you update a table based on another table?
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update-join
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Use an UPDATE with a join or subquery: Postgres UPDATE a SET x = b.x FROM b WHERE a.id = b.a_id; MySQL UPDATE a JOIN b ON ... SET a.x = b.x. It sets values from a related table in one statement.
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SQLUPDATE from Another Table Playground
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