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MySql - update table values using another table rows

5 points
Created by:
Abul-Emery
457

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

Update table values using another table rows concept - MySQL.
Update table values using another table rows concept - 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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