Re: So what's null then if it's not nothing?
Date: Wed, 23 Nov 2005 09:20:32 +0100
In article <kfa7o1d714eqdnlfnaik6t1gs6uv4l0b09_at_4ax.com>,
> >2- You create a parent/root entity/table and make a subtype for each
> >optional field
> And that would lead to an exponential explosion of tables. With one
> optional attribute, you get two subtypes. Two optional attributes means
> four subtypes. With 10 optional attributes, you'd need no less than
> 1,024 tables.
-- JonReceived on Wed Nov 23 2005 - 09:20:32 CET