An Introduction to Data Warehousing

Author: sserve.com | Published: 12th Aug 2005 | Visited: 3550 times | Add Comment
Filed in: Basics

This white paper introduces data warehousing concepts. This paper is derieved from the first two chapters of our forthcoming book Data Warehousing with MS SQL Server.This paper introduced the fundamental concepts of data warehousing. It is important to note that data warehousing is a science that continues to evolve. Many of the design and development concepts introduced here greatly influence the quality of the analysis that is possible with data in the data warehouse. If invalid or corrupt data is allowed to get into the data warehouse, the analysis done with this data is likely to be invalid.

Read Article

Sponsored Links

• Speeding Up Data Submission The goal of building an Ajax based application is to ensure that interactivity of the site to the user is highly optimized. One of the main features of Ajax is to create an application that should predict what the user actually needs. As the user key in a letter the application will communicate to t ...

• Swing Extreme Testing - The Data Validation Test The Data Validation Test The Ok button of the SaveAsDialog should only be enabled if the name that has been entered is valid. A name can be invalid if it contains an illegal character, or if it has already been use ...

• Retrieving XML Data Retrieving XML DataTo retrieve XML data from an XMLType table, you can use a SELECT SQL statement, just as you would if you had to query a relational table. For example, to select the employee with the id set to 100 from the employees XMLType table discussed in the preceding section, you might issue ...

• Querying Data with Oracle XQuery Querying Data with Oracle XQuery Starting with Oracle Database 10g Release 2, you can take advantage of a full-featured native XQuery engine integrated with the database. With Oracle XQuery, you can accomplish various tasks involved in developing PHP/Oracle XML applications, operating on any kind of ...

• Breaking up XML into Relational Data Breaking up XML into Relational Data While the preceding example shows how to construct an XML representation over relational data, the example in this section illustrates how you can shred XML data back into relational data. This reverse operation can be useful if your application works with relati ...

• Accessing and Updating Data in ASP.NET 2.0: Using Optimistic Concurrency Because multiple users can visit the same web page concurrently, it is possible for a user visiting a data modification page to inadvertently overwrite the modifications made by another user. Consider a page with an editable GridView. If two users visit this page simultaneously from different compu ...

• Moving Toward WPF Data Binding One Step at a Time A gradual introduction to the world of WPF data bin ...

• Create Secure Java Applications Productively, Part 1: Use Rational Application Developer and Data St... This is the first in a two-part tutorial series creating secure Java-based Web applications using Rational Application Developer, Data Studio and Rational AppScan. This first tutorial begins by showcasing how Data Studio with pureQuery can increase the efficiency of your database-driven Web developm ...

• Introduction to the WPF Command Framework The command framework in WPF provides a set of powerful tools that let developers build more intelligent user interfa ...

• Read committed--Why transaction can read uncommitted data Hello Tom Thanks for your time.. I have a question: I understand that by default Oracle uses read committed by statement level, normally other session can't see the modification execept the session that makes the modification itself. Read c ...

Next: Live DataStage Interview Questions