Thanks for the fast reply. What should inherit from what? Class A (e.g. 'todo item') is certainly not derived from property X (e.g. 'startdate'). Class A version 2 has different properties (some are removed, others are added). Can you elaborate / say I'm wrong / give an example ? Thanks,
> Maybe not completely the wright place to ask but... I have this schema > design question (db is postgres of course). I have a couple of classes > with attributes. The only goal is to search the object that I want to > find (which is stored on the harddrive). > I have hundreds of classes that are similar but not the same. They all > have attributes/properties (type is probably String), e.g. (in pseudo > code):
