Chris Thompson wrote:
> IMO the federated data approach (IBM's Xperanto) will be a clear
> winner over the centralized approach of Oracle and others.
> Superficially, data federation has many benefits including the
> following - Access to data sources, both relational and
> non-relational, without needing to make copies of the data.
> Make any data source look like a DB2 table.
> Unified interface transparently making all data sources appear as a
> single DB. Single sign-on security
> Compensation for missing functions in the federated data sources'
> DBMS. Query optimisation based on data source capabilities.

The legacy aspect is very exciting.  What about the backup and restore
process?  Is each individual data source responsible for its own
backup/restore?  Is  referential integrity maintained across all data
sources?

Just curious how the admin side would look.

Mark W.

* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *