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Data Warehouses Explained: A Guide to Key Concepts

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C
Cade Roux

The document provides an overview of key concepts in data warehousing including definitions of terms like ETL, facts and dimensions, and data modeling approaches. It also discusses best practices such as incremental delivery and quality testing as well as worst practices to avoid like not understanding the data or business needs. The document concludes with tips on performance, application logic in ETL, and additional resources.

Technology
1 of 27
Data Warehouses: A Whistle-Stop Tour Cade Roux [email_address]
Typical Business "Design"
Typical Goal Scenario
What success still looks like - version 1
What success still looks like - version 2
What success should look like
Glossary ,[object Object],[object Object],[object Object]
Glossary (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Glossary (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Glossary (4) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Glossary (5) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Glossary (6) ,[object Object],[object Object],[object Object],[object Object]
Glossary (7) ,[object Object],[object Object],[object Object],[object Object]
Normal Form
 
Facts and Dimensions
 
Dimensional Modelling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Topics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Conformed Dimensions ,[object Object],[object Object],[object Object]
NULLs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Best Practices ,[object Object],[object Object],[object Object]
Worst Practices ,[object Object],[object Object],[object Object]
Some things to keep in mind ,[object Object],[object Object],[object Object]
Performance Issues ,[object Object],[object Object],[object Object],[object Object],[object Object]
Application Logic ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Links ,[object Object],[object Object]

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Data Warehouses Explained: A Guide to Key Concepts