Data warehousing logical design Mirjana Mazuran mazuran@elet.polimi.it December 15‚ 2009 1/18 Outline Data Warehouse logical design ROLAP model star schema snowflake schema Exercise 1: wine company Exercise 2: real estate agency 2/18 Introduction Logical design Starting from the conceptual design it is necessary to determin the logical schema of data We use ROLAP (Relational On-Line Analytical Processing) model to represent multidimensional data ROLAP uses the relational
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Information Systems for Managers (ISM) Program : MBA Course Code : SLIT 501 Semester : I Sessions : 33 Class of : 2015 Credits : 3 Course Description Course is designed to impart knowledge on functioning‚ building and management of information systems. It equips students with modeling and analytical skills to meet challenges of dynamic business environment. Main objectives are: (1) To understand significance of information systems in business (2) To know process
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1. Under the RGT framework‚ which of the following strategies applies to a business that offers products and services faster and cheapter than the competition? A. run 2. Which of the following data mining tools helps you apply various mathematical models information to discover new information? A. statistical tools 3. The average price of a movie ticket in the city of New York is $8. This is an example of? A. information 4. AskSocrates Is a web-site that provides definitions and descriptions of many
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in the United States of America. It is a leading multi-channel worldwide retailer and technology product and services developer. In 2010‚ Best Buy forayed in to the United Kingdom with a joint venture with UK-based mobile phone retailer‚ Carphone Warehouse after a 50% purchase of The Carphone Warehouse’s retail division. As the world is plunged into a recession during that period‚ Best Buy’s initial plan to enter the market in 2009 was pushed back and it seems like they had ran into trouble even before
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Table of IT Requirements Institution affiliation Date: Generic Strategy for Competitive Advantage: Cost Leadership Strategy Business Process to Be Improved: Customer and Employee Scheduling Table of IT Requirements IT requirement Importance/relevance high‚ medium‚ low or Not Applicable (N/A) Explanation for ranking 1 Usability High The usability of a system is important since without learning and using the product it will not be possible for the business to achieve the goals. The satisfaction
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Chapter-1- Management Information System Self Assessment Questions 1. Information systems are composed of __________ basic components. a) four b) three c) two d) many 2. A human order taker can be bypassed when using a(n) e) office automation system. f) management information system. g) transaction processing system. h) decision support system. 3. The __________ can help you choose a product. a) office automation system b) management information system c) transaction processing system d) decision
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Athlete’s Warehouse (B) Late in February 1993‚ Colin Power‚ majority owner of Athlete’s Warehouse and a number of other companies in Grand FallsWindsor‚ and a human resource consultant from the Small Business Centre were seated in Colin’s office in the back of Athlete’s Warehouse. Cohn was speaking to his brother Ed on the phone. "’Sorry I can’t run with you today‚ I’m all tied up. How about tomorrow morning at 7:00?" Hanging up the phone Colin exclaimed to the Small Business Centre consultant
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Case Study Chapter 5 Discussion Questions 1. What role do database and DBMS play in assisting with the Genographic Project? “Without the automation provided by database tools‚ this research would not be possible. Dr. Spencer Wells‚ National Geographic Explorer-in-Residence and Scientific Director of the Project‚ stated that “With hundreds of thousands of samples‚ researchers could easily become lost in our collected data. But‚ by working with IBM‚ we can distill this information into something
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-2 July 012 emiannua -S l Volume 5 Number 2 blication Pu Editorial Note Profile of Authors Included in this Number Information for Contributors 201 202 204 Articles Vision or Psychic Prison Khuram Shahzad The Assessment of Social Reporting on behalf of Accepted Corporations Listed in Tehran Stock Exchange Hosseyn karbasi yazdi‚ Kobra Hemmati‚ Ali Bayat Data Warehousing Ofori Boateng‚ Jagir Singh‚ Greeshma‚ P Singh Wavelet Transform‚ Neural Networks and The Prediction of S&P Price
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Costco Case Questions 09/26/2013 Question 1: Competition in the North American wholesale club industry is high‚ with Costco being its leader at 56% of the market share. Main ways to compete are lower prices‚ more efficient operations‚ and reduced labor and overhead costs as well. Some of the clubs do the bare minimum in advertising while others‚ like BJ’s‚ spend more money on it (special Christmas radio advertisement and such). Out of the five competitive forces‚ the strongest is the rivalry between
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