[ZODB-Dev] Re: so your coming from the rdbms world tutorial?

[Laurence Rowe]

Sean Allen wrote:
> been looking for anything along those lines.
> 
> in particular, strategies and gotchas for how to store objects.
> everything i've found is basically just a single type of object being 
> stored.
> 
> i'm really interested in tutorials and information on the best ways to 
> setup
> large complicated hierarchies and all the various gotchas etc.
> 
> anything like that exist?
> 

A good jumping off point is the wiki: 
http://wiki.zope.org/ZODB/Documentation

The beauty of using the ZODB is that it really makes no difference 
whether you are storing homogeneous or heterogeneous hierarchies of objects.

If you are likely to have a large number of objects in any one folder 
then make sure it is BTree based. This is a scalable data structure, so 
the whole list does not have to be loaded into memory to access a single 
child object.

It also pays to keep your zodb content objects simple. Adding behaviour 
through the component architecture is much more flexible in the long run 
(which is not to say you need to use the Zope CA to use the ZODB).

Hope that helps

Laurence