Re: [Ledger-smb-devel] Question on Addresses and Not Null constraints

2008-05-21 Thread Chris Travers
On Wed, May 21, 2008 at 6:13 PM, Jeff Kowalczyk <[EMAIL PROTECTED]> wrote: > On Wed, 21 May 2008 11:44:05 -0700, Chris Travers wrote: >> One thing that is remarkably hard to model relationally is address data. >> In particular different places have different semantics. Some countries >> have mail

Re: [Ledger-smb-devel] Question on Addresses and Not Null constraints

2008-05-21 Thread Jeff Kowalczyk
On Wed, 21 May 2008 11:44:05 -0700, Chris Travers wrote: > One thing that is remarkably hard to model relationally is address data. > In particular different places have different semantics. Some countries > have mail codes while some do not. Some places it makes sense to track > states and prov