Data Warehouse Design for E-Commerce Environment Il-Yeol Song and Kelly LeVan-Shultz College of Information Science and Technology Drexel University Philadelphia, PA 19104 (Song, sg963pfa)@drexel.edu ABSTRACT Data warehousing and electronic-commerce are two of the most rapidly expanding fields in recent information technologies. In this paper, we discuss the design of data warehouses for e-commerce environment. We discuss requirement analysis, logical design, and physical design issues in e-commerce
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4. 4.1 Big Data Introduction In 2004, Wal-Mart claimed to have the largest data warehouse with 500 terabytes storage (equivalent to 50 printed collections of the US Library of Congress). In 2009, eBay storage amounted to eight petabytes (think of 104 years of HD-TV video). Two years later, the Yahoo warehouse totalled 170 petabytes1 (8.5 times of all hard disk drives created in 1995)2. Since the rise of digitisation, enterprises from various verticals have amassed burgeoning amounts of digital
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Recap of the BIW – ETL Process The most important part of any Business Information Warehouse (BIW) or Data Warehousing is a process of extraction, transformation and loading of the data from different source systems that are able to provide data which are relevant to a business organization. This data is mainly from its core applications that are used by the business units to execute the enterprise business processes across them. The ETL is also a Strategy about how data from different known source
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I. Plug In Multiple Choice 1. What is a customer facing process? A) A standardized set of activities that accomplish a specific task, such as processing a customer's order B) Result in a product or service that is received by an organization's external customer C) Invisible to the external customer but essential to the effective management of the business and include goal setting, day-to-day planning, performance feedback, rewards, and resource allocation D) Attempts to understand and measure
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Search for documents: Report this document View the PDF version Share on Facebook Examination Paper : Semester II IIBM Institute of Business Management Examination Paper MM.100 Management Information Systems Section A: Objective Type (30 marks) This section consists of Multiple choicequestions and Short Note type questions. Answer all the questions. Part one questions carry 1 mark each & Part two questions carry 5 marks each. Part
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Best Practices in Data Modeling Dan English Objectives • • • • • Understand how QlikView is Different from SQL Understand How QlikView works with(out) a Data Warehouse Not Throw Baby out with the Bathwater Adopt Applicable Data Modeling Best Practices Know Where to Go for More Information QlikView is not SQL (SQL Schemas) SQL take a large schema and queries a subset of tables. Each query creates a temporary “Schema” of only a few tables. Query result sets are independent of each
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Costco Wholesale is one of the largest retailer stores in the market. The company has distinguished itself well in the whole sale industry. The company’s mission statement well understood throughout the firm. Costco Wholesale offers its customers and consumers lowest prices on a wide range of national and international branded products and goods, in a wide arrange of merchandise categories. The products and services of the Costco Wholesale are reliable as the company deals in best available quality
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Running head: INFORMATION SYSTEMS Information Systems for Decision-Making: CIS500 Patricia Peele Professor Eve Yeates, BS, MBA Strayer University October 13, 2011 Abstract Case study of “Revving Up Sales at Harley-Davidson”, pages 75-76 and “Delta Air Lines plays Catch-Up”, pages 77-79. This paper combines both case studies in one document, depicting business driven information systems used and strategic decision making from both well known businesses.
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Week 2 Assignment Kaplan University 12/12/11 Part A What are the primary reasons for changing the current systems? Butler University’s IT department provides and is responsible for technologies in the areas of network and systems, administrative, computing, web applications, instructional technologies among others. Staying on top of new innovative technological offerings is key to the success of how the university operates and conducts their day to day business. As stated
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Overview Margarita Torres Costco member and shareholder Evaluating Costco’s financial performance Evaluation methods Common-size statements Sustainable growth model Benchmarking ratios Retail Industry $1.6 trillion in retail and wholesale trade (2001) 15% of GDP (1960) 16% of GDP (2001) Department stores Customer service premium Many SKUs Discount stores Low prices No frills Retail Industry Wholesale clubs Membership only Volume discounts Limited SKUs Online stores Convenience Low overhead Sears
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