The group you are posting to is a Usenet group. Messages posted to this group will make your email address visible to anyone on the Internet.
Your reply message has not been sent.
Your post was successful
From: "Li, Frank" <liju...@gmail.com>
Date: Wed, 26 Mar 2008 15:13:57 +0800
Local: Wed, Mar 26 2008 3:13 am
Subject: Re: 一些维度建模的问题
第三个问题的探讨: 在08-3-26,小水牛 <Lucian.n...@gmail.com> 写道: > 现在在做保险行业的维度建模,对一些问题想请教各位: > 1.系统中有很多的"类型"表,"状态"表,比如理赔类型表,批改类型表,交易类型表等等,这些类型表都需要分别建立一个维度表吗? > 2.一个客户的多个联系地址如何处理? > 3.对于OLTP系统中的众多代码,是继续用代码表示还是直接用代码对应的内容来表示?例如:1代表A,2代表B,3代表C,是直接在维度表中用 > 4.如何设计异构的产品以及标的维度表?是每个单独做一个吗?那和事实表如何关联呢? > 5.在EDW中基本用3NF建模,用start_date和end_date保留数据版本,在数据集市中(维度建模)如何处理呢,是保留原来的方式,还 You must Sign in before you can post messages.
To post a message you must first join this group.
Please update your nickname on the subscription settings page before posting.
You do not have the permission required to post.
| ||||||||||||||