Re: Database Re-eng

[PaulMmn <PaulMmn@xxxxxxxxxxxxx>]

>If you are going to reengineer your database the first thing I would do is
>to forget DDS for data files.  DDS is one of the most archaic features left
>on the AS/400.  Go with one of the many modern SQL based data modeling
>tools such as ERwin(by Logic Works) to design, create, and maintain your
>database.  Creating and maintaining a complex database, complete with
>referential integrity constraints and triggers, takes days with a modeling
>tool, as compared to weeks if not months if using DDS and DB2/400 commands.
> And DDS provides virtually no documentation in regard to relationships,
>foreign keys, etc.  The issues you raised are non-issues if using a data
>modeling tool.


En Garde!

Tools, schmools.  The key in -any- data base design is the legwork to talk
to users and the drawing on the walls to plan the thing out that precedes
the first touch of a finger to a key.

--Paul E Musselman
PaulMmn@ix.netcom.com


+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---