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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created to design these entities and relationships are called entity–relationship diagrams or ER diagrams. CONCPETUAL SCHEMA Conceptual Schema is sometimes called logical schema. It describes the stored data in terms of the data model of the DBMS. In a relational DBMS‚ the conceptual schema describes all relations that are stored in the database Alternate key - An alternate key is any candidate key which is not selected to be the primary key Candidate key - A candidate key is a field or combination
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OSI Model Quiz Result Scrolldown to review your answer and view your score. Passing grade is 70% = C. ------------------------------------------------- Top of FormBottom of Form | 1) Routers operate at which layer of the OSI model? | a) physical | b) transport | c) network - correct answer | d) MAC sublayer of the data link layer | | 2) Bits are packaged into frames at which layer of the OSI model? | a) data link - correct answer | b)
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Earlier systems stored data mostly in text format or as DBMS. The data stored in DBMS systems is more easily managed than the data stored in a text file. Restoration of data from text file format is complex‚ though manageable. Data stored in proprietary and binary format is a blind alley leading you nowhere. Data conversion
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GOVERNMENT BUDGETING Government budgeting is the critical exercise of allocating revenues and borrowed funds to attain the economic and social goals of the country. It also entails the management of government expenditures in such a way that will create the most economic impact from the production and delivery of goods and services while supporting a healthy fiscal position. GOVERNMENT BUDGET In general‚ a government budget is the financial plan of a government for a given period‚ usually
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ONLINE COURSES LIBRARY STUDYROOM FLASHCARDS NEW Like 7.3k Search Database LogIn Like C o r e J a v a 452 1.6K Database Concept Overview of DBMS Database Architecture Database Model Codd’s rule RDBMS Concept Database key Normalization E-R Diagrams Generalization and Specialization SQL Concept SQL Introduction DDL Command Create query Alter query Truncate‚ Drop and Rename query DML Command All DML command TCL Command All TCL Command DCL
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Using a database management system (DBMS) is a wise decision for any business that plans to implement the use of a database as part of their IT infrastructure. A database management system‚ also referred to as a database manager (Rouse‚ 2005)‚ allows one or many computers to create‚ query‚ and manipulate data in the database (Rouse‚ 2005). The database management system also manages request from users and applications‚ making the database much more user friendly‚ since the users nor the applications
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Determining Operating Systems and Software Applications: Barnes & Noble Team B: Jameka Burris‚ Eric Hoormann‚ and Jennifer Monereau BIS/320 June 16‚ 2014 Matthew Moyer Determining Operating Systems and Software Applications: Barnes & Noble This paper will describe how Barnes & Noble (B&N) uses an operating system and software applications to help the company reach its objectives (see appendix A). This paper will also describe the functions of computer hardware components used in the organization
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DC10 PART-I DATABASE MANAGEMENT SYSTEMS TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 In the relational modes‚ cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (C) Data definition language. Ans: B Q.3 The view of total database content is (A) Conceptual view
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MAJOR CONCERNS IN PHILIPPINE PUBLIC ADMINISTRATION PRAXIS: REORGANIZATION DECENTRALIZATION AND CORRUPTION. Presentor: Alkhaizer H. Ibrahim Discussant: Roddalyn Lee Reorganizing the Bureaucracy Reorganization of the Philippine Public Administration had been sighted as the central to the entire initiative in the search and design for more responsive structures and process since the term of President Manuel Roxas in the 40’s to Arroyo in 2002. Below are the major Reform Agenda and Re-engineering
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