Re: Relationals vs. Objects Databases I

On 18 Jan 1998, Richard Ronteltap wrote:

[snip]

> Take a look a this, the Cetus object link:
> http://www.rhein-neckar.de/~cetus/software.html
>
> Because this was the subject of the finishing project on my Computer
> Science study, I'll insert my abbreviated $0.02 here:
>
> There is no technical reason when ODBMS should not replace
> RDMBS. An ODBMS can easily be made a superset of RDBMS
> functionality. Some problems of RDBMS are:
>
> - No (object) identity for referencing
> - No duplicate handling (In RDBMS, what looks the same, is the same)
> - Bad complex data handling. Everything must be broken down into
> rectangular tables. The relations between these smashed bits are not
> part of the model.
> - Bad programming language integration (impedance mismatch)
> SQL and relational algebra are computationally incomplete and
> there is no fitting alternative that is.
> - No extensibility. You can't add new basic data types.

So how about object-relational? Does it not "fix" some of these issues?

• Akmal

        akmal(at)bigfoot(dot)com Received on Mon Jan 19 1998 - 00:00:00 CST