Data Modeling Made Simple 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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Steve Hoberman 作者

Technics Publications, LLC

译者

2005-10-17 出版日期

134 页数

USD 18.95 价格

Paperback

丛书系列

9780977140008 图书编码

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发表于2024-11-22

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Data Modeling Made Simple 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

Data Modeling Made Simple 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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Data Modeling Made Simple 在线电子书图书描述

Ever have a bad data day? If you're a business user, architect, analyst, designer or developer, then you've probably had some bad data days. It comes with the territory. Overcoming these problems is much easier if you have an in-depth understanding of the actual data. That's where a data model comes in handy. It's a diagram that uses text and symbols to represent groupings of data, giving you a clear picture of your business and application environment. Data Modeling Made Simple provides the tools you need to read, create and validate models of your business and applications. It's a data modeling book for those who aren't necessarily full time data modelers.

This book contains everything about modeling you need to know but were too afraid to ask, such as:

What are the traditional and nontraditional uses of a data model?

How do subject area, logical, and physical data models differ?

When do I build a BSAM, ASAM, or CSAM?

What is the easiest way to apply normalization?

Where can I best leverage abstraction?

How do I decide whether to use denormalization or dimensionality?

What are primary, foreign, alternate, virtual, and surrogate keys?

What is the best approach to building the models?

How can I use the Scorecard system to validate a data model?

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