[Rails] Question about Primary Key

Hi! I've a couple of questions about the primary key on RoR: 1. Is there a way to use non-numeric autoincrement primary key? 2. Is there a way to use compound primary key? If not possible, we want to work on a ruby gem to read a database and made the model from it. So, there are recommen

[Rails] Re: Question about Active Record

3 UTC-4:30, Frederick Cheung escribió: > > > > On Nov 16, 2:05 pm, Alexandra E Paredes T <05-38...@usb.ve> wrote: > > Good Morning, > > > > I'm an student of Computer Engineering from Simón Bolívar University, in > > Caracas Venezuela. I'm wor

[Rails] Question about Active Record

Good Morning, I'm an student of Computer Engineering from Simón Bolívar University, in Caracas Venezuela. I'm working in my thesis about ORM and their "respectfulness" on databases. In order to have a better understanding of the Ruby on Rails ORM, I'm wondering where do I can read about the lo