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Message from discussion 一些维度建模的问题
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Li, Frank  
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 More options Mar 26, 3:13 am
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:
要用代码标转化,主要考虑以后其他数据源的装数。考虑到数据标准化,建议统一编码。

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
> A,B,C表示呢,还是用原来的代码?

> 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
> 是用缓慢变化维?


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