Re: Database Design and Modelling

> Hi,
> I was just wondering if ER Diagrams are still are good way

yes, I think so.

> (the best)

certainly not the worst. Advantage over UML is that it's simpler and stabler. Disadvantage is that it's less expressive.

> of modelling relational databases.

(incidentally and ideally, you model your data, not your database. The latter implies an implementation)

> Are there any new diagrams or methodologies now, maybe UML

yes ...

> (which diagrams)

I vote for class diagrams, assocations etc. Simply don't use methods and sub-classes, and use aggregate assocations instead of weak entities and I think you got the essentials. Cheers,

                                                                      Philip

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Philip Lijnzaad, lijnzaad_at_ebi.ac.uk | European Bioinformatics Institute,rm A2-24
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