August 4‚ 2009 What is Database Normalization? Database Normalization is a systematic way of ensuring that a database structure is suitable for general – purpose quering and normalization is the process of efficently organizing data in a database. This process was first introduced in 1970 by E.F. Codd and has since been redefined to higher normal forms. The two goals of the normalization process are: eliminating redundant data and ensuring that data dependencies make sense. These goals reduce
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something a database needs to do in order to fulfill its purpose. 2. FALSE You only need to include the most important stakeholders in the database discussions. 3. TRUE Forms are used for gathering input. 4. TRUE A transaction database is optimized to track transactions in real time. 5. TRUE Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses. 6. TRUE The domain is the focus or knowledge area of a database.
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Brief History Of Databases In the 1960’s‚ the use of main frame computers became widespread in many companies. To access vast amounts of stored information‚ these companies started to use computer programs like COBOL and FORTRAN. Data accessibility and data sharing soon became an important feature because of the large amount of information required by different departments within certain companies. With this system‚ each application owns its own data files. The problems thus associated with
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Case Study On Harrah’s Big Database Gamble Submitted By: Pratik Mohire HARRAH’S BIG DATABASE GAMBLE BRIEF ABOUT THE CASE Harrah’s is the world largest provider of branded casino entertainment; it has around 25 million customers (2001) 25 casino with 40‚000 gambling machines in 12 states. For years it had been a fairly small gambling company but‚ by 2001‚ had emerged as the second largest in the industry. By the mid-1990s‚ the gambling Business was flourishing
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ACSG 552 – 01. Processor Florence Appel Advanced Database Class- Spring 2009. Assignment #01. Friday‚ January 23‚ 2009 Due in class on Thursday‚ Jan. 22. o Chapter 2 ▪ Review Questions‚ pp. 54-55: 2‚ 5‚ 6‚ 9‚ 18‚ 19 ▪ Problems‚ pp. 55-59: 1‚ 2; 12-15; 19-21; 22; 25abcde Chapter 02: Review Questions: pp. 54-55. #02) What is a business rule‚ and what is its purpose in data modeling? The business rule is a brief‚ precise and ambiguous
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References: Documentations ➢ D. Maier and J. Stein‚ Indexing in an object-oriented DBMS. ➢ Alfons Kemper and Guido Moerkotte‚ Object-Oriented Database Management‚ 1994 Websites ➢ David Maier’s home page: www.cse.ogi.edu/~maier ➢ http://en.wikipedia.org/wiki/Object_database ➢ http://www.comptechdoc.org/independent/database/basicdb/dataobject.html
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__________________________________________________________________________________ DATABASE DESIGN I. Introduction Database Application What is an Employment Agency System? An employment agency is an organization which matches employers to employees. In all developed countries there is a publicly funded employment agency and multiple private businesses which also act as employment agencies. Business Rules Business Rules One or more Agencies fall into one or more Reference Agency
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DATABASE DEVELOPMENT FOR AH CHAI MINI CINEMA INTRODUCTION Ah Chai Mini Cinema is a mini cinema. Even though it just a small cinema‚ but it gives the best service and provide quality movie at the good rate. From our observations‚ the cinema has been using conventional filling system to store information about their customers‚ movies and tickets. It requires a lot of files to keep the data. When there are a lot of file‚ it is difficult for the librarians to search for the data when needed
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Thomson Research database Produced by Thomson financial 1982‚ formerly Global Access and now part of ThomsonONE‚ Thomson Research collects primary research and statistics‚ market trends‚ and segment analysis of over 980 leading firms and 30000 companies comprehensively ‚ based on which financial forecasts and analysis can be made for decision making. It is best known as a source of qualitative information on quoted companies and company annual reports worldwide including analyst reports and company
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Database Modeling and Design: Logical Design 4th Edition Toby Teorey‚ Sam Lightstone‚ Tom Nadeau Lecture Notes Contents I. Introduction ................................................................………...……2 Relational database life cycle 3 Characteristics of a good database design process 6 II. The Entity-Relationship (ER) Model …………...……………….7 Basic ER concepts 7 Ternary relationships 11 III. The Unified Modeling Language (UML)………...…………….13 Class diagrams 13 Activity
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