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Editorial Team
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Asked: 2026-06-04T14:27:29+00:00

In this example the field username is inside the users table and the field

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In this example the field username is inside the users table and the field email is in the profiles table.

UPDATE `profiles`
JOIN `users` ".
SET `username` = 'foo',
`email` = 'bar@aol.com'
WHERE users.user_id = '1'

In this where clause I am using users.user_id, but this causes all fields in the profile table to be updated with the email “bar@aol.com”. What is the syntax to specify profiles.user_id in addition to the users.user_id in the WHERE clause?

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1 Answer

  1. Editorial Team

    You need to join the tables like this:

    UPDATE `profiles`
JOIN `users` on profiles.user_id = users.user_id
SET `username` = 'foo',
`email` = 'bar@aol.com'
WHERE users.user_id = '1'
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