Re: What databases have taught me

Bruno Desthuilliers wrote:
> AFAIK, when you put this into a RDBMS, you need additional code - either
> in "procedural SQL" or in the client app - to deal with this.

Modelling hierarchies in relational is an intersting topic:

http://www.google.com/search?hl=en&q=nested+sets&btnG=Google+Search

> And this is only an homegenous hierarchy - what for heterogenous
> hierarchies ? and moreover where some entities are not known at design
> time (like provided by plugins) ?

What is "heterogenous hierarchy". Another example of throwing fuzzy terms? Received on Fri Jun 23 2006 - 18:39:59 CEST