CHAPTER 3 DATABASES AND DATA WAREHOUSES Building Business Intelligence CONTACT INFORMATION: Stephen Haag is the primary author of this chapter. If you have any questions or comments‚ please direct them to him at shaag@du.edu. THIS CHAPTER/MODULE IN SHORT FORM… This chapter introduces your students to the vitally important role of information in an organization and the various technology tools (databases‚ DBMSs‚ data warehouses‚ and data-mining tools) that facilitate the management
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More than Data Warehouse- An insight to Customer Information Ritu Aggrawal – agg_ritu@rediffmail.com Deepshikha Kalra -deepshikha_ishan@yahoo.co.in working with MERI affiliated to GGSIPU‚ Delhi ABSTRACT The business requirements of an enterprise are constantly changing and the changes are coming at an exponential rate. Like advances in Information Technology have helped companies to quickly match competition. As a result‚ product quality and cost are no longer significant competitive
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1. Data mart definition A data mart is the access layer of the data warehouse environment that is used to get data out to the users. The data mart is a subset of the data warehouse that is usually oriented to a specific business line or team. Data marts are small slices of the data warehouse. Whereas data warehouses have an enterprise-wide depth‚ the information in data marts pertains to a single department. In some deployments‚ each department or business unit is considered the owner of its data
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Chapter 11 Enterprise Resource Planning Systems 1. Closed database architecture is a. a control technique intended to prevent unauthorized access from trading partners. b. a limitation inherent in traditional information systems that prevents data sharing. c. a data warehouse control that prevents unclean data from entering the warehouse. d. a technique used to restrict access to data marts. e. a database structure that many of the leading ERPs use to support OLTP applications. 2. Each of the following
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auctions d) discount purchasing e) none of the above Ans: b Section Ref 1-1 Difficulty: Moderate 3. According to Metcalfe’s Law‚ the value of a network grows roughly by a power of _______________ of the number of its users (or nodes). a) three b) four c) two d) five e) six Ans: c Section Ref 1-2 Difficulty: Moderate 4. General Electric lists the specifications for a kind of wire needed in the manufacture of light bulbs on its Trading Process Network (TPN) site. GE asks potential
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written argument. It is a common requisite in assignments in American schools. The format requires an essay to have five paragraphs: one introductory paragraph‚ three body paragraphs with support and development‚ and one concluding paragraph. Because of this structure‚ it is also known as a hamburger essay‚ one three one or a three tier essay. The introduction serves to inform the reader of the basic premises‚ and then to state your thesis‚ or central idea. When a thesis essay is applied to this
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OLAP- A Better‚ Faster Tool for Data Analysis Mike Sawyer DBM405 Stephen Jones August 8‚ 2005 Raw data collected and maintained in a database is meaningless‚ unless it is assembled and analyzed in some fashion. One technology that has been designed to do just that is called OLAP. OLAP stands for OnLine Analytical Processing‚ and is defined different ways by different sources. Webopedia.com defines OLAP as " a category of software tools that provides analysis of data stored in a database
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A COMPARISON OF DATA WARE HOUSE DESIGN MODELS A MASTER’S THESIS in Computer Engineer ing Atilim Univer sity by BERIL PINAR BAŞARAN J ANUARY 2005 A COMPARISON OF DATA WARE HOUSE DESIGN MODELS A THESIS SUBMITTED TO THE GRADUATE SCHOOL OF NATURAL AND APPLIED SCIENCES OF ATILIM UNIVERSITY BY BERIL PINAR BAŞARAN IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN THE DEPARTMENT OF COMPUTER ENGINEERING J ANUARY 2005 i Approval of the Graduate School
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OLAP (On Line Analytical Processing) is used for business reports for companies using a number of protocols. Organisations can analyse data in a number of different ways i.e. budgeting‚ planning‚ data warehouse reporting‚ simulation and trend analysis. One of the main benefits of OLAP is the skill to make multidimensional calculations especially used for large businesses. This process will be complete in seconds There are many components of OLAP tools. In this report I will discuss and compare
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Question 1 What is a data warehouse? What problems does it solve for a business? A data warehouse is a place where data is stored for archival purpose‚ analysis purpose. Usually a data warehouse is either a single computer or many computers servers tied together to create one giant computer systems. Data warehouse solve a lot of problems to companies as it helps to structure files and avoid unnecessary duplication of data. Data warehouse also allows to easily updating data and encourages management
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