Concatenate data from a query into a single row (Transpose)

Let’s say you have a query that returns this What I want is to have it return this in a query After much searching on the topic of transpose, with some complex solutions offered, I stumbled onto the function in Mysql. http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function_group-concat So my query looks like this /* Show Gift Cert numbers */ ( SELECT GROUP_CONCAT(cert_id) FROM ugiftcert_history uh WHERE so.entity_id = uh.order_id GROUP BY uh.order_id ) AS gc_numbers,