Re: [Gnumed-devel] Questions About GNUmed DataBase

[Karsten Hilbert]

> We are couple of student at Sharif University who has DataBase course and
> for our project we have decided to work on GNUmed project database.
> Since we have had some problems, wondering that if you could help us with
> below questions:
> 
> 1- what is the database model? (object-oriented, relational, etc)

Relational. In fact, object-relational as they'd like to call it
in PostgreSQL speak. The PostgreSQL manual has more on that.

> 2-why these terms are repeated in most of tables: pk_audit, row_version,
> modified_when, modified_by

Because they are used in the change audit system and nearly every
table is audited.

Karsten
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