Data warehouse basics pdf

  • Data warehouse tools

    A data warehouse is a central repository of information that can be analyzed to make more informed decisions.
    Data flows into a data warehouse from transactional systems, relational databases, and other sources, typically on a regular cadence..

How is data applied to a data warehouse?

Applying Data: Techniques and Processes Earlier in this section, we defined three types of application of data to the data warehouse: initial load, incremental load, and full refresh

Consider how data is applied in each of these types

How many chapters are in data warehousing?

The book is made up from seven chapters

Chapter 1 sets the stage by giving a broad overview of some important terminology and vendor strategies

Chapter 2 summarizes the research efforts in data warehousing and gives a short description of the framework for data warehouses used in this book

What is the technical architecture of a data warehouse?

†The technical architecture of a data warehouse is the complete set of functions and services provided within its components

It includes the procedures and rules needed to perform the functions and to provide the services

It encompasses the data stores needed for each component to provide the services


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