Updating multiple rows with different values

Question

I got this table in my MySQL database, \'users\'. It has the fields \'id\' and \'value\'.

Now, I want to update lots of rows in this table with a single

Answer 1

Rather than doing case variable when value then ..., try doing case when condition then ... - like so:

UPDATE users
    SET value = CASE 
        WHEN id in (1,4) THEN 53
        WHEN id = 2 THEN 65
        WHEN id in (3,5) THEN 47
    END
WHERE id IN (1,2,3,4,5)