Hi

I have used S-Designer and ERWin in the past - both in development DBA
roles.

Don't recall exact features of S-Designer (was about 5 to 6 years ago) but
remember it to be very useful. 
Have more recent experiences of ERWin and found it very useful. It is
expensive but well worth the investment.

I used ERWin in a product development environment where, due to the
development cycle, we had numerous versions of our product's data model e.g.
development, test, production etc. and multiple releases of our product.
In this environment ERWin was used to maintain each data model and promote
changes between physical databases. E.g. Development environment may have
new tables, new columns, different data types etc. to the test environment.
ERWin can maintain these differences by connecting to the databases and
comparing the two physical databases and reporting on and generating scripts
to synchronise the databases.


We also used ERWin to maintain our storage parameters (tablespaces, index
tablespaces) as well as the indexes themselves.

Both ERWin and S-Designer will generate the scripts required to create your
database objects - prerequisite is that database, schemas and optionally
tablespaces already exist.

Clear case, MS Visual Source Safe , RCS, SCCS etc. can be used to maintain
versioning of each ERWin/S-Designer model for each build/release to label
each data model version with same label as source code of rest of product.

Hope this helps.

Regards,
Mark.  




-----Original Message-----
Sent: 14 October 2003 11:10
To: Multiple recipients of list ORACLE-L

How essential the following tools to a DBAs job?
(viz) Rational Rose, Clear case for Versioning etc. What are Data 
Modelling tools avbl. in the market and which are widely used
(other than Oracle Designer)?.


TIA
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Patterson, Mark
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