Chapter 11: Review Question: 1. Explain the main differences between a file processing system and a database system ANS: Some main differences between a database management system and a file processing system are: * Both systems contain a collection of data and a set of programs which access that data. A DBMS coordinates both the physical and the logical access to the data‚ whereas a file-processing system coordinates only the physical access. * A DBMS reduces the amount of data duplication
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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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Individual Database Design Paper Courtney Gardner DBM/380 05-17-2010 James Butcher Week Individual Database Design “A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store large amounts of records well‚ but be accessed easily. In addition‚ new information and changes should also be fairly easy to input (tech-faq.com)”. To ensure practical use over a long period of‚ databases ought to
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Advantages of Database Management Systems Database Management System (DBMS) aids in storage‚ control‚ manipulation and retrieval of data. This article lists the advantages of database management systems. Database is a software program‚ used to store‚ delete‚ update and retrieve data. A database can be limited to a single desktop computer or can be stored in large server machines‚ like the IBM Mainframe. There are various database management systems available in the market. Some of them are Sybase
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Issues with Databases by Jing Ji David Maccarone Sheng Mao Security Issues with Databases 1. Current state of database security A database is a system that is specialized to manage data in a computer application system. Data has many forms‚ such as text‚ digital‚ symbols‚ graphics‚ images and sound. The database systems are integral components of current and future command‚ communication‚ control and intelligence information systems. (Lunt‚ 1992‚ p. 253) Databases are used widely
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WestLAND Group used the Leica Nova MS50 to scan the facades of an office building for CGM Development. The scans were used to create models of the building exterior and surrounding topography as a starting point for BIM. WestLAND Group‚ Inc. was founded in 2000‚ in Rancho Cucamonga‚ Calif.‚ and is a mid-size‚ well-established firm that provides civil engineering‚ GIS‚ surveying and mapping and planning to clients in energy‚ rail‚ construction‚ municipal‚ and development. The firm is always looking
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increase the productivity of our sole MR Technologist. Although we will be adding this operation to our current workload‚ we will be able to meet our promise of scanning two patients per hour. In addition‚ we will no longer have to pay the $5.00 per scan fee to BCMC‚ and we will eliminate the need to hire a second MR Technologist. The decision to enter into this contract with BCMC was strategic since it allows us to hold 100 percent interest in the business‚ significantly affecting our opportunity
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entity? Something about which we want to store data. 7. What is business logic? The set of rules that govern an organizations processes. 8. What is a relational database? A data base that organizes data into overlapping tables. They follow a set of very specific rules that ensure data contained in the database will be consistent. 9. How do the following terms relate to one another: record‚ table‚ field‚ primary key? Rows are called records‚ and columns are sometimes called fields
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Information for Database Design 1. Scope of Project 2. Project Identification 3. Database Overview 4. Document Overview 5. 7 Steps of the SDLC/DBDSL 6. The 3 Steps in Database Creation
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C h a p t e r 15 Object-Oriented Database Development L E A R N I N G O B J E C T I V E S After studying this chapter‚ you should be able to: ● Concisely define each of the following key terms: atomic literal‚ collection literal‚ set‚ bag‚ list‚ array‚ dictionary‚ structured literal‚ and extent. ● Create logical object-oriented database schemas using the object definition language (ODL). ● Transform conceptual UML class diagrams to logical ODL schemas by mapping classes (abstract and concrete)
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