Re: David C. Hay's Universal Data Model:

From: kdc <kcameron_at_navicsys.com>
Date: 2000/04/26
Message-ID: <r%IN4.167677$AT6.239887@dfw-read.news.verio.net>#1/1

I have the book and enjoy it alot (don't care much for the Oracle Case Notation good old IE works for me)

I would never try to implement universal model. I find it intersting in an academic sense but it would not perform well in a production environment.

"js" <jeeves_97_at_yahoo.com> wrote in message news:nJPL4.289$IY6.33943_at_nntp0.chicago.il.ameritech.net...
> Say, has anyone out there given much thought to the design of a Universal
> Data Model? Something along the lines of the one found in David Hay's book
> "Data Model Patterns"
> (pg 256 for those who have it)
>
> The data model had the following tables:
> Attribute
> Attribute Assignment
> Value
> Relationship
> Relationship Type
>
>
> Value
>
> | |
> Relationship-------- Thing ----------------------| |
> | | --------- |
> |

           |                        |


> |

>              |                        |       Attribute Assignment    |

>     Relationship             |          |                         |

|


>         Type                     |          |                         |

> |

>                                  Thing Class                    Attribute

>
>
> I'd really be interested on any thoughts on further refinements to
> the above model.
>
> (this is my first time in this newsgroup, and I am really impressed with
 the
> quality of advice given)
>
> Thanks in advance,
> -John.
>
>
Received on Wed Apr 26 2000 - 00:00:00 CDT