Do you mean relationships in the database or in the models? They are essential 
in the models (else Cake won't know how to relate models) and although not a 
Cake requirement I'd say it is paramount from a performance point of view in 
the database.

Jeremy Burns
Class Outfit

[email protected]
http://www.classoutfit.com

On 18 Nov 2010, at 12:29, Dan wrote:

> Basically, can containable work without having relationships
> specified? Or does containable rely on those relationships?
> 
> In some tutorials, they specify to use recursive = -1 and then
> containable to get more optimized SQL. I can't help but think, what's
> the point specifying the relationships??
> 
> Check out the new CakePHP Questions site http://cakeqs.org and help others 
> with their CakePHP related questions.
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