Re: Newbie question about db normalization theory: redundant keys OK?
Date: Fri, 14 Dec 2007 18:55:36 -0000
Message-ID: <fjujlj$mkv$1$830fa795_at_news.demon.co.uk>
"David Portas" <REMOVE_BEFORE_REPLYING_dportas_at_acm.org> wrote in message
news:1065f96a-1f8e-4fc7-b1cc-53137ebd8b8f_at_s8g2000prg.googlegroups.com...
> You are saying that this is a distributed database but that it lacks a
Nope - it's a normal database you have simply done a query against the
database - the result of SELECT and then return to the database to validate
your data against it - think about it; your insurance company posts you a
claim form and you then send it back in - you need to validate what's on the
form (our equiv of time table) against the database.
> mechanism for accurately propagating changes out to all its nodes?
Also, please can you show me how you would simply put history in the table with celko's example.
-- Tony Rogerson, SQL Server MVP http://sqlblogcasts.com/blogs/tonyrogerson [Ramblings from the field from a SQL consultant] http://sqlserverfaq.com [UK SQL User Community]Received on Fri Dec 14 2007 - 19:55:36 CET