Re: [PERFORM] schema design question

2007-08-19 Thread mark overmeer
Hi, 2007/8/19, Steinar H. Gunderson <[EMAIL PROTECTED]>: > > As a general database design paradigm, though, I fully agree with you. > Databases are databases, not glorified OO data stores or hash tables. I don't want to use it as an OO data store, I use the filesystem for that. The intended use i

Re: [PERFORM] schema design question

2007-08-19 Thread mark overmeer
Hi Adam, 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,

[PERFORM] schema design question

2007-08-19 Thread mark overmeer
Hi, 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 sim