Postgre. SQL vs My. SQL: How to update using a join. Posted over 2 years ago. Visible to the public. When performing an UPDATE statement, you may want to join a table to update from. It works differently in My. SQL and Postgre. SQL. My. SQLCopy. UPDATE profiles. INNER JOIN users ON profiles. SET public = users. MySQL; PostgreSQL; SQLite;. table joins when the involvement of three or more tables in joins. MySQL JOIN. and multiple-table UPDATE and DELETE. Postgre. SQLCopy. UPDATE profiles. SET public = users. WHERE profiles. user_id = users. Does your version of Ruby on Rails still receive security updates? Rails LTS provides security patches for old versions of Ruby on Rails (3. ![]() ![]()
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November 2017
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