How to use GROUP BY to concatenate strings in MySQL?

Question

Basically the question is how to get from this:

foo_id   foo_name
1        A
1        B
2        C

to this:

foo_id   foo_name
1        A B
2         


        

Answer 1

SELECT id, GROUP_CONCAT(CAST(name as CHAR)) FROM table GROUP BY id

Will give you a comma-delimited string