Ruby on Rails

Adrian Caceres <caceresad@...> writes:

>
> Normally all my validation is done in my models.
>
> Michael Hart in his rails tutorial explains why the uniqueness
> validation should also be done at the database layer (
> http://ruby.railstutorial.org/chapters/modeling-and-viewing-users-
one#sec:the_caveat).
>
> I am curious if people have experienced other validations that should
> also be done at the database layer?
>
> thanks
>

Models are the gatekeepers to your database. So long as you are in an
environment where you fully control access to the underlying database, there
should be no need to add any database validations (although I know a few DB
administrators who choke on such ideas).

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