Comparing and Contrasting the Relational Database Model and OO Model The relational database model is based upon tables or relations. In this model‚ the physical implementation of the database is abstracted away from the user. Users query the database using a high-level query language‚ such as SQL. The relations are made up of columns‚ which have headings indicating the attribute represented by that column. Tables have key fields‚ which can be used to identify unique records. Keys relate tables
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1 Database Design and Implementation Candidate Name: Course Name: Date of Submission: Authorization: MAY MYAT SWE Database Design and Implementation 7‚ April 2012 University of Greenwich June 2012 KMD Yangon Center MAY MYAT SWE 2 Database Design and Implementation Table of Contents No Description Page Assumption ........................................................................................ 3 1. 2. 3. 4. 5. 6. Conceptual Data Model ........................
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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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Workshop 4 Database Administration Tools There are three types of Database Administration Tools‚ Oracle Enterprise Manger‚ Microsoft SQL Server Enterprise Manager and Sybase Central. This paper will discuss each one. The database tool and utility applications are the primary administrative components of Oracle Enterprise Manager. You can use these applications to perform most of your DBA administration tasks. Some of the design features of the applications allows you to use the graphical interface
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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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However‚ the codification database provides a convenient and effective way for searching and learning the accounting principles. In this training guide‚ how to use the codification database‚ what are the updates in revenue recognition and notion of fair value‚ and where can access the update information in this database will be introduced. Training Guide Researching accounting principle can be simple and effective with the FASB Codification database. To access the database‚ login the user name and
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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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DBM405 (Database Management System) Facilitator Anup Majumder-University of Phoenix Online Abstract The research that I have done for this individual assignment where I need to provide a brief explanation of OLAP‚ Data Warehouse and Data Mart‚ Three-tier architecture and ASP was through a research online. I found that most of these acronyms for computer terminology are hard to find when the meanings that apply to your subject or acronym you are un-aware of it. In conclusion all the above
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