search for: one_to_mani

Hi, In "Agilge Web Development With Rails" on page 217, an example of foreign keys is shown. I am however unable to find a definition of wheater the naming of the index is significant. On the above mentioned page, this line is shown in the example: constraint fk_items_product foreign key (product_id) references products(id) In "fk_items_product", "items" is

So I am trying to figure out how I would go about creating the relationships between two tables, but there are multiple relationships happening. The one I am trying to figure out is a one_to_one relationship + a one_to_many relationship. Example: I have a home model and a location model home has_one location location has_many homes The trouble is I have to be able to access both

Hi, how do I solve this in Rails: Lets say I have a User and a Message. Now, a Message is sent from one User to another User, which means that in the Message I have to reference a User twice! This seems to be a problem, if I do not user one-to-many or many-to- many relationships, because it seems to me as if I could reference a Model of the same type only once. However, I would like the Message

hi book and page is one_to_many relationship.I want to create them in a single form.But when clicking create button,the submitted params for pages are not grouped correctly, i want "book"=>{"new_pages"=>[{"name"=>"", "color"=>""}, {"name"=>"","color"=>""}] but it is