MySql - update table values using another table rows

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517

In this short article, we would like to show how to update some table values using source table rows in MySQL.

Quick solution:

UPDATE updated_table u
SET updated_column=(
    SELECT source_column
    FROM source_table s
    WHERE u.some_column=s.some_column
);

Note: be sure that WHERE u.some_column=s.some_column causes returning one row for the updated column.

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