ive got 3 tables Products, Categories and products_categories. The
relationship between products and categories tables is
has_and_belongs_to_many. This is working fine. But I have to find out
how to add and remove relationships to/from the products_categories
For example, a new product is added and it needs to be put in a category
of choice. Or a product is obsolete and is remove from its current
Can I get some help here?