I have two tables as following
Table products
-product_id- -categorie ids-
1 2,4,5,6
2 1,4,3
4 3,5
Table categories
c-category_id- -(catname)-
1 cat1
2 cat2
3 cat3
4 cat4
5 cat5
6 cat6
I need result in this format
-product_id- -categories-
1 cat2
1 cat4
1 cat5
1 cat6
2 cat1
2 cat4
. .
. .
. .