1. What is business intelligence? Why is it more than just information? A: Business intelligence is to collective information about your customer‚ your competitors‚ your business partners‚ and your competitive environment‚ your own internal operations that gives you the ability to make effective‚ important‚ and often strategic business decision. Business intelligence represents the tools and system that plays a key role in the strategic planning process of the corporation. That enables access to
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CASE – 1 The 2004 Athens Olympics Network: Faster‚ Stronger—and Redundant Claude Philipps‚ program director of major events at Atos Origin‚ the lead IT contractor for the Olympic Games‚ likes to be prepared. “We were ready before August‚ but we were still testing‚ because we wanted to be sure that every stupid thing that can happen was planned for‚” Philipps said. “In a normal IT project‚ we could have delivered the application to the customer almost eight months earlier.” But the Olympic Games
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1. What is a data warehouse? A data warehouse is defined in this section as “a pool of data produced to support decision making.” This focuses on the essentials‚ leaving out characteristics that may vary from one DW to another but are not essential to the basic concept. The same paragraph gives another definition: “a subject-oriented‚ integrated‚ time-variant‚ nonvolatile collection of data in support of management’s decision-making process.” This definition adds more specifics‚ but in every case
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deliverable from each phase Centralized vs Distributed Processing Unit Testing Integration Testing System Testing Chapter 11 Database Database Models Hierarchical Network Multi-dimensional Relational O-O Object-Relational DBMS Data Warehouse Data Mining Cardinality XML Normalization Primary Key Foreign Key SQL create database/table add‚ modify‚ delete data retrieve‚ join data Chapter 12 High-Level vs. Low-Level Languages 1st‚ 2nd‚ 3rd‚ 4th‚ and 5th Generation
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to create data warehouses— massive data stores of time-series data used for decision support. These organizations face a range of choices‚ both in terms software tools and development approaches. Making good choices requires an understanding of the two main data warehousing models— Inmon’s and Kimball’s. Bill Inmon advocates a top-down development approach that adapts Mary Breslin has worked in both user and IT roles and she is currently exploring Capella University’s data warehouse from the user
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1. Define‚ and illustrate using a diagram‚ the following: Primary Data Warehouse and Data Mart. In this connection‚ explain the difference between ROLAP and MOLAP. A Primary Data Warehouse is a central repository of a database of a complete organization. It holds multiple subject areas and very detailed information. A Data Mart is a subset or an aggregation of the data stored to a primary data warehouse. It often holds only one subject area – for example‚ a specific department‚ finance or sales.
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strengthening rivalry. There is considerable similarity in the merchandise offerings of all three clubs. The degree of product line differentiation is weak‚ which enhances rivalry. Threats of New Entrants—a weak competitive force The window to enter the warehouse club industry is pretty small unless an outsider opted to acquire BJ’s Wholesale Club with the intention of rapidly expanding into areas and states where there are currently no BJ’s locations. The barriers to a new entrant are high: Costco and Sam’s
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data warehouse and why is REI building one? A data warehouse can be described as a “database that stores current and historical data of potential interest to decision makers throughout a company. The data originate in many core operational transaction systems‚ such as systems for sales‚ customer accounts‚ and manufacturing‚ and may include data from Web site transactions.1” REI is building a data warehouse to improve the company and to meet the needs of the customers. REI’s data warehouse will
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retailer of automotive‚ sports and leisure‚ and home products. CTR business analysts have had the benefit of working with an information warehouse for the past nine years. However‚ numerous technological‚ organizational and people challenges associated with the information warehouse have lead to the realization that a complete redesign of the information warehouse is required. Students are required to analyse the business context of the BI initiative and identify the major challenges that will be associated
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results. They also use an auto word function‚ that is type in part of a phrase and Google will finish it for you depending on the trend. Data warehouses have a basic design with some variations. Data sources‚ warehouse and users make up the architect of the basic data warehouse. In our system we will be adding data marts and a staging area. The warehouse is where the data is kept. It consists of metadata‚ raw data and summary data. Metadata is data about the data in
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