Rudi,
> I'll be using smaller tables with appropriate join tables and PHP.
> Just for interests sake I'll be using Dia to plan the schema.
> I prefer to use the UML drawing tools instead of the ER ones.
<grin> I still use a simple flowcharting program to plan my databases. Never
saw the value in UML, mainly because of the confusing terminology.
But if it works for you, go for it.
--
Josh Berkus
Aglio Database Solutions
San Francisco