Re: Argument for 1NF by counter-example
From: Kenneth Downs <firstinit.lastname_at_lastnameplusfam.net>
Date: Sat, 30 Oct 2004 15:38:13 -0400
Message-ID: <5jq0mc.pte.ln_at_192.168.10.210>
>
> Could you give a small example of hierarchal data/query that is
> difficult in RM that people would like XML/XQuery to solve?
Date: Sat, 30 Oct 2004 15:38:13 -0400
Message-ID: <5jq0mc.pte.ln_at_192.168.10.210>
Neo wrote:
>> If it can query relational db's that contain hierarchical data >> then people would start to use it.
>
> Could you give a small example of hierarchal data/query that is
> difficult in RM that people would like XML/XQuery to solve?
Probably anything that the SQL "WITH RECURSE" clause provides, the ability to walk a hierarchy and produce a flattened relation. The employee organizational chart is as good a common example as any.
-- Kenneth Downs Use first initial plus last name at last name plus literal "fam.net" to email meReceived on Sat Oct 30 2004 - 21:38:13 CEST