Academic Tutorials



English | French | Portugese | German | Italian
Home Advertise Payments Recommended Websites Interview Questions FAQs
News Source Codes E-Books Downloads Jobs Web Hosting
Chats

Data Warehousing
Datawarehousing Introduction
Datawarehousing Glance
Datawarehousing Overview
Datawarehousing Tools
Datawarehousing Methods
Datawarehousing Design
Datawarehousing Assess
Datawarehousing Structure
Datawarehousing Protect
Datawarehousing Uses
Datawarehousing Historical Information
Datawarehousing Manage a Data
Datawarehousing Manage Meta Data
Datawarehousing Architecture
Datawarehousing Records
Datawarehousing Advantages
Datawarehousing Data Mart
Datawarehousing Principles
Datawarehousing Benefits
Datawarehousing Disadvantages
Datawarehousing Issues
Datawarehousing Requirements
Datawarehousing Useful
Datawarehousing Themes
Datawarehousing Building
Datawarehousing Rating
Datawarehousing differ from a Database
Datawarehousing Efficient Process
Datawarehousing Quality Management
Datawarehousing Evaluate the Software
Datawarehousing Challenges
Datawarehousing Non Technical

HTML Tutorials
HTML Tutorial
XHTML Tutorial
CSS Tutorial
TCP/IP Tutorial
CSS 1.0
CSS 2.0
HLML
XML Tutorials
XML Tutorial
XSL Tutorial
XSLT Tutorial
DTD Tutorial
Schema Tutorial
XForms Tutorial
XSL-FO Tutorial
XML DOM Tutorial
XLink Tutorial
XQuery Tutorial
XPath Tutorial
XPointer Tutorial
RDF Tutorial
SOAP Tutorial
WSDL Tutorial
RSS Tutorial
WAP Tutorial
Web Services Tutorial
Browser Scripting
JavaScript Tutorial
VBScript Tutorial
DHTML Tutorial
HTML DOM Tutorial
WMLScript Tutorial
E4X Tutorial
Server Scripting
ASP Tutorial
PERL Tutorial
SQL Tutorial
ADO Tutorial
CVS
Python
Apple Script
PL/SQL Tutorial
SQL Server
PHP
.NET (dotnet)
Microsoft.Net
ASP.Net
.Net Mobile
C# : C Sharp
ADO.NET
VB.NET
VC++
Multimedia
SVG Tutorial
Flash Tutorial
Media Tutorial
SMIL Tutorial
Photoshop Tutorial
Gimp Tutorial
Matlab
Gnuplot Programming
GIF Animation Tutorial
Scientific Visualization Tutorial
Graphics
Web Building
Web Browsers
Web Hosting
W3C Tutorial
Web Building
Web Quality
Web Semantic
Web Careers
Weblogic Tutorial
SEO
Web Site Hosting
Domain Name
Java Tutorials
Java Tutorial
JSP Tutorial
Servlets Tutorial
Struts Tutorial
EJB Tutorial
JMS Tutorial
JMX Tutorial
Eclipse
J2ME
JBOSS
Programming Langauges
C Tutorial
C++ Tutorial
Visual Basic Tutorial
Data Structures Using C
Cobol
Assembly Language
Mainframe
Forth Programming
Lisp Programming
Pascal
Delphi
Fortran
OOPs
Data Warehousing
CGI Programming
Emacs Tutorial
Gnome
ILU
Soft Skills
Communication Skills
Time Management
Project Management
Team Work
Leadership Skills
Corporate Communication
Negotiation Skills
Database Tutorials
Oracle
MySQL
Operating System
BSD
Symbian
Unix
Internet
IP-Masquerading
IPC
MIDI
Software Testing
Testing
Firewalls
SAP Module
ERP
ABAP
Business Warehousing
SAP Basis
Material Management
Sales & Distribution
Human Resource
Netweaver
Customer Relationship Management
Production and Planning
Networking Programming
Corba Tutorial
Networking Tutorial
Microsoft Office
Microsoft Word
Microsoft Outlook
Microsoft PowerPoint
Microsoft Publisher
Microsoft Excel
Microsoft Front Page
Microsoft InfoPath
Microsoft Access
Accounting
Financial Accounting
Managerial Accounting
Network Sites


Data Warehouse Design Principles


Previoushome Next






Data Warehouse Principles

A data warehouse is a large repository of historical data that can be integrated for decision support. The use of a data warehouse is markedly different from the use of operational systems. Operational systems contain the data required for the day-to-day operations of an organization. This operational data tends to change quickly and constantly. The table sizes in operational systems are kept manageably small by periodically purging old data. The data warehouse, by contrast, periodically receives historical data in batches, and grows over time. The vast size of data warehouses can run to hundreds of gigabytes, or even terabytes. The problem that drives data warehouse design is the need for quick results to queries posed against huge amounts of data.

A D V E R T I S E M E N T

A DW can quickly become a quagmire if it's not designed, implemented and maintained properly. Following are The Seven Principles of Data Warehousing that helps a DW design and implementation on the road to achieving your desired results

Data Warehouse Business Principles

  • Organizational Consensus :
    From the outset of the data warehousing effort, there should be a consensus-building process that helps guide the planning, design and implementation process. If your knowledge workers and managers see the DW as an unnecessary intrusion - or worse, a threatening intrusion - into their jobs, they won't like it and won't use it. Make every effort to gain acceptance for, and minimize resistance to, the DW. If you involve the stakeholders early in the process, they're much more likely to embrace the DW, use it and, hopefully, champion it to the rest of the company.
  • Data Integrity :
    The brass ring of data warehousing - of any business intelligence (BI) project - is a single version of the truth about organizational data. The path to this brass ring begins with achieving data integrity in your DW. Therefore, any design for your DW should begin by minimizing the chances for data replication and inconsistency. It should also promote data integration and standardization. Any reasonable methodology you choose to achieve data integrity should work, as long as you implement the methodology effectively with the end result in mind.
  • Implementation Efficiency :
    To help meet the needs of your company as early as possible and minimize project costs, the DW design should be straightforward and efficient to implement. This is truly a fundamental design issue. You can design a technically elegant DW, but if that design is difficult to understand or implement or doesn't meet user needs, your DW project will be mired in difficulty and cost overruns almost from the start. Opt for simplicity in your design plans and choose (to the most practical extent) function over beautiful form. This choice will help you stay within budgetary constraints, and it will go a long way toward providing user needs that are effective.
  • User Friendliness :
    User friendliness and ease of use issues, though they are addressed by the technical people, are really business issues. Why? Because, again, if the end business users don't like the DW or if they find it difficult to use, they won't use it, and all your work will be for naught. To help achieve a user-friendly design, the DW should leverage a common front-end across the company - based on user roles and security levels, of course. It should also be intuitive enough to have a minimal learning curve for most users. Of course, there will be exceptions, but your rule of thumb should be that even the least technical users will find the interface reasonably intuitive.
  • Operational Efficiency :
    This principle is really a corollary to the principle of implementation efficiency. Once implemented, the data warehouse should be easy to support and facilitate rapid responses to business change requests. Errors and exceptions should also be easy to remedy, and support costs should be moderate over the life of the DW. The reason I say that this principle is a corollary to the implementation efficiency principle is that operational efficiency can be achieved only with a DW design that is easy to implement and maintain. Again, a technically elegant solution might be beautiful, but a practical, easy-to-maintain solution can yield better results in the long run.

Data Warehouse IT Principles

  • Scalability :
    Scalability is often a big problem with DW design. The solution is to build in scalability from the start. Choose toolsets and platforms that support future expansions of data volumes and types as well as changing business requirements. It's also a good idea to look at toolsets and platforms that support integration of, and reporting on, unstructured content and document repositories.
  • Compliance with IT Standards :
    Perhaps the most important IT principle to keep in mind is to not reinvent the wheel when you build your DW. That is, the toolsets and platforms you choose to implement your DW should conform to and leverage existing IT standards. You also want, as much as possible, to leverage existing skill sets of IT and business users. In a way, this is a corollary of the user friendliness principle. The more your users know going in, the easier they'll find the DW to use once they see it.

Following these principles won't guarantee you will always achieve your desired results in designing and implementing your DW. Beware of any vendors that tell you it's a slam-dunk if you follow their methodology. There will almost always be problems that seem intractable at first - and may eventually prove to be so. Nevertheless, if you build your DW following these seven principles, you should be in a better position to recognize and address potential problems before they turn into project killers.



Be the first one to comment on this page.




  Data Warehousing eBooks

No eBooks on Data Warehousing could be found as of now.

 
 Data Warehousing FAQs
More Links » »
 
 Data Warehousing Interview Questions
More Links » »
 
 Data Warehousing Articles
More Links » »
 
 Data Warehousing News
More Links » »
 
 Data Warehousing Jobs
More Links » »

Share And Enjoy:These icons link to social bookmarking sites where readers can share and discover new web pages.
  • blinkbits
  • BlinkList
  • blogmarks
  • co.mments
  • connotea
  • del.icio.us
  • De.lirio.us
  • digg
  • Fark
  • feedmelinks
  • Furl
  • LinkaGoGo
  • Ma.gnolia
  • NewsVine
  • Netvouz
  • RawSugar
  • Reddit
  • scuttle
  • Shadows
  • Simpy
  • Smarking
  • Spurl
  • TailRank
  • Wists
  • YahooMyWeb

Previoushome Next

Keywords: data warehouse structure,data warehouse archiecture,data warehouse advantages,data warehouse design,data warehouse issues

HTML Quizzes
HTML Quiz
XHTML Quiz
CSS Quiz
TCP/IP Quiz
CSS 1.0 Quiz
CSS 2.0 Quiz
HLML Quiz
XML Quizzes
XML Quiz
XSL Quiz
XSLT Quiz
DTD Quiz
Schema Quiz
XForms Quiz
XSL-FO Quiz
XML DOM Quiz
XLink Quiz
XQuery Quiz
XPath Quiz
XPointer Quiz
RDF Quiz
SOAP Quiz
WSDL Quiz
RSS Quiz
WAP Quiz
Web Services Quiz
Browser Scripting Quizzes
JavaScript Quiz
VBScript Quiz
DHTML Quiz
HTML DOM Quiz
WMLScript Quiz
E4X Quiz
Server Scripting Quizzes
ASP Quiz
PERL Quiz
SQL Quiz
ADO Quiz
CVS Quiz
Python Quiz
Apple Script Quiz
PL/SQL Quiz
SQL Server Quiz
PHP Quiz
.NET (dotnet) Quizzes
Microsoft.Net Quiz
ASP.Net Quiz
.Net Mobile Quiz
C# : C Sharp Quiz
ADO.NET Quiz
VB.NET Quiz
VC++ Quiz
Multimedia Quizzes
SVG Quiz
Flash Quiz
Media Quiz
SMIL Quiz
Photoshop Quiz
Gimp Quiz
Matlab Quiz
Gnuplot Programming Quiz
GIF Animation Quiz
Scientific Visualization Quiz
Graphics Quiz
Web Building Quizzes
Web Browsers Quiz
Web Hosting Quiz
W3C Quiz
Web Building Quiz
Web Quality Quiz
Web Semantic Quiz
Web Careers Quiz
Weblogic Quiz
SEO Quiz
Web Site Hosting Quiz
Domain Name Quiz
Java Quizzes
Java Quiz
JSP Quiz
Servlets Quiz
Struts Quiz
EJB Quiz
JMS Quiz
JMX Quiz
Eclipse Quiz
J2ME Quiz
JBOSS Quiz
Programming Langauges Quizzes
C Quiz
C++ Quiz
Visual Basic Quiz
Data Structures Using C Quiz
Cobol Quiz
Assembly Language Quiz
Mainframe Quiz
Forth Programming Quiz
Lisp Programming Quiz
Pascal Quiz
Delphi Quiz
Fortran Quiz
OOPs Quiz
Data Warehousing Quiz
CGI Programming Quiz
Emacs Quiz
Gnome Quiz
ILU Quiz
Soft Skills Quizzes
Communication Skills Quiz
Time Management Quiz
Project Management Quiz
Team Work Quiz
Leadership Skills Quiz
Corporate Communication Quiz
Negotiation Skills Quiz
Database Quizzes
Oracle Quiz
MySQL Quiz
Operating System Quizzes
BSD Quiz
Symbian Quiz
Unix Quiz
Internet Quiz
IP-Masquerading Quiz
IPC Quiz
MIDI Quiz
Software Testing Quizzes
Testing Quiz
Firewalls Quiz
SAP Module Quizzes
ERP Quiz
ABAP Quiz
Business Warehousing Quiz
SAP Basis Quiz
Material Management Quiz
Sales & Distribution Quiz
Human Resource Quiz
Netweaver Quiz
Customer Relationship Management Quiz
Production and Planning Quiz
Networking Programming Quizzes
Corba Quiz
Networking Quiz
Microsoft Office Quizzes
Microsoft Word Quiz
Microsoft Outlook Quiz
Microsoft PowerPoint Quiz
Microsoft Publisher Quiz
Microsoft Excel Quiz
Microsoft Front Page Quiz
Microsoft InfoPath Quiz
Microsoft Access Quiz
Accounting Quizzes
Financial Accounting Quiz
Managerial Accounting Quiz
Testimonials | Contact Us | Link to Us | Site Map
Copyright ? 2008. Academic Tutorials.com. All rights reserved Privacy Policies | About Us
Our Portals : Academic Tutorials | Best eBooksworld | Beyond Stats | City Details | Interview Questions | Discussions World | Excellent Mobiles | Free Bangalore | Give Me The Code | Gog Logo | Indian Free Ads | Jobs Assist | New Interview Questions | One Stop FAQs | One Stop GATE | One Stop GRE | One Stop IAS | One Stop MBA | One Stop SAP | One Stop Testing | Webhosting in India | Dedicated Server in India | Sirf Dosti | Source Codes World | Tasty Food | Tech Archive | Testing Interview Questions | Tests World | The Galz | Top Masala | Vyom | Vyom eBooks | Vyom International | Vyom Links | Vyoms | Vyom World | Important Websites
Copyright ? 2003-2021 Vyom Technosoft Pvt. Ltd., All Rights Reserved.