Query for multiple values to an id separated with comma from the database

Question

How to get result from database with multiple values to the same id separated by comma....

please help with this..

thank you

Id     |    Code
----------------------
0001   |   IN,ON,ME,OH
0002   |   ON,VI,AC,ZO
0003   |   QA,PS,OO,ME

Answer 1

Assuming you are using MySQL:

SELECT 
Id,
GROUP_CONCAT(Code SEPARATOR ',')
FROM
yourTable
GROUP BY Id

Here you can find further information .