Data Warehousing

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Description:

With costs of data storage decreasing dramatically, storing information forever has become a reality. Companies and governments are now able to store as much information as they want for an unspecified time and data mine or retrieve this information at any given moment. For instance, Google will store all your search queries and offers an email service which has ben designed so that you never have to delete anything, and even if you delete it, it will still be stored on their servers.

Enablers:

• decreasing costs data storage
• replacement of traditional processes with digital applications
• Mass digitalization
• Disclosure for tax purposes
• Cost of Computer Resources
• Network Bandwidth
• Electronic banking

Inhibitors:

• Privacy laws
• Public resistance
• Processing power

Experts:

Bill Inmon (William H. Inmon)

is the recognized "father of data warehousing" and the co-creator of the Corporate Information Factory, and the Government Information Factory, as well as DW 2.0, the next-generation data warehouse architecture. Mr. Inmon has over 35 years of experience in database technology management and data warehouse design, and has consulted with Fortune 1000 clients and leading IT executives on Data Warehousing, Business Intelligence, and Database Management. He is known world-wide for his seminars on developing and managing data warehouses, and has been a keynote speaker for all of the major computing associations and vendors. In addition, Mr. Inmon is a key participant in many industry conferences, seminars, and tradeshows.[1]

Ralph Kimball, PhD

is a widely published author on the subject of data warehousing and business intelligence. He is known for long-term convictions that data warehouses must be designed to be understandable and fast. His methodology also known as dimensional modeling or the Kimball methodology is frequently used to allow sharing of conformed dimensions.[2]

Timing:

late 1980s and early 1990s : Data Warehouses became a distinct type of computer database

Web Resources:

• Wikipedia Date Warehous page
• Bill Inmon|William H. Inmon, Richard D. Hackathorn: Using the Data Warehouse, John Wiley & Son's, ISBN 0-471-05966-8
• Pyle, Dorian. Business Modeling and Data Mining. Morgan Kaufmann, 2003. ISBN 1-55860-653-X
• Ralph Kimball, Margy Ross: The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling (Second Edition), John Wiley & Sons, ISBN 0-471-20024-7
• Stephen Haag, Maeve Cummings, Donald J. McCubbery, Alain Pinsonneault, Richard Donvan:Managements Information System for the Information Age, Third Canadian Edition, McGraw-Hill Ryerson, ISBN 0-07-095569-7
• Information Technology Data Warehouse
• Data Warehousing Gotchas
• ODP - Data Warehouse Resources
• ODP - Data Warehouse Articles

[1] http://en.wikipedia.org/wiki/Bill_Inmon [2] http://en.wikipedia.org/wiki/Ralph_Kimball