By Ralph Kimball
"A accomplished, considerate, and designated publication that may be of inestimable worth to somebody suffering from the advanced info of designing, development, and retaining an enterprise-wide choice help process. hugely recommended." -Robert S. Craig, vp, software Architectures, Hurwitz staff, Inc.
In his bestselling e-book, the information Warehouse Toolkit, Ralph Kimball confirmed you the way to exploit dimensional modeling to layout powerful and usable facts warehouses. Now, he consists of those recommendations to the bigger problems with offering entire facts marts and information warehouses. Drawing upon their reviews with a variety of info warehouse implementations, he and his coauthors express you all of the functional information concerned about making plans, designing, constructing, deploying, and turning out to be facts warehouses. vital issues include:
* The enterprise Dimensional Lifecycle(TM) method of information warehouse venture making plans and management
* suggestions for accumulating specifications extra successfully and efficiently
* complex dimensional modeling ideas to trap the main complicated company rules
* the information Warehouse Bus structure and different methods for integrating information marts into super-flexible information warehouses
* A framework for developing your technical architecture
* concepts for minimizing the dangers concerned with facts staging
* Aggregations and different potent how one can strengthen information warehouse performance
* state of the art, Internet-based information warehouse safety techniques
The CD-ROM provides you with:
* whole facts warehouse undertaking plan projects and responsibilities
* a suite of pattern types that display the Bus Architecture
* clean types of the templates and instruments defined within the book
* Checklists to take advantage of at key issues within the venture
Read Online or Download The Data Warehouse Lifecycle Toolkit : Expert Methods for Designing, Developing, and Deploying Data Warehouses PDF
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Extra info for The Data Warehouse Lifecycle Toolkit : Expert Methods for Designing, Developing, and Deploying Data Warehouses
Without a single integrated plan, the likelihood of completing the many discrete tasks on time is greatly reduced. The level of detail tracked is another common problem with data warehouse project plans. A single task called “Develop the Data Transformation Process” is not sufficient given the many underlying subtasks required. The goal is to provide enough detail to be able to track progress on key tasks and to identify issues or delays as soon as possible. If a single task will require more than two weeks, subtasks should be identified.
Like issues and changes, these enhancements should be documented in a database or log. The enhancement log provides a mechanism to capture requests for future action, rather than expanding the current project’s scope. Documentation regarding each request should identify the “value” of the enhancement; asking what the enhancement is worth will facilitate future enhancement prioritization. Develop Communications Plan to Manage Expectations Last, but certainly not least, successful data warehouse project managers establish a robust communications game plan to address the needs of their various audiences or constituencies.
They will request better access to better information. Unfortunately, this frequently heard request does not translate immediately into bottomline business impact. Any personnel productivity gains provided by better access are likely to be negligible when compared to the potential impact of improved decision making. The layers of the onion need to be peeled back to understand the why, what if, and how much behind this seemingly innocent user request. “A priori” data warehouse justification typically focuses on revenue or profit enhancement, rather than reducing costs.