Brief Introduction to Database Concepts Andrea Rodr´ ıguez Summer School - Castell´n 2004 o Department of Computer Science University of Concepci´n‚ Chile o http://www.inf.udec.cl/∼andrea andrea@udec.cl 1 Introduction Information and data are different. Information is understood by a person. Data are values stored on a passive medium like a computer disk. The purpose of a database management system (DBMS) is to bridge the gap between information and data - the data stored in memory or on disk
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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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Project Proposal for a Database Database for a Bank Introduction: This database is created for a bank which can keep track of their customer’s and account holders’ details and transactions. With the above aim they should be able to have access to the information mention in real time. This will help the management to take decisions and also will make the record and finance staff work more organized. The bank is experiencing a lot of customer turn out to their various account types. Some
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recorded. Activities include changing of plutonium energy pack‚ change of radar guidance system‚ and any replacement of parts. All history of maintenances is kept as accurate maintenance records. Propose a database system for NEXUS based on the scenario given. SCENARIO 2 Propose a database system for a travel agency. In this travel agency‚ there are three types of employees: Counter staff‚ Executive and Managers. An executive and a Counter Staff may report to many managers‚ and at the same time
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Student Name ____________________________ Date _____4/21/13________ VBScript Database Query Lab Report Task 4: Write and Run Database Query Program 1 In this scenario‚ we need to query the Computer database to determine which computers need to be replaced. Our decision will be based on the CPU speed‚ Number of Processors and the size of the Hard Drive. In the space provided in your Lab Report document‚ paste your modified VBScript program and the RUN. In the table cell below‚ paste your ComputerReplace
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MIS5370: Database Design and Management Home work Question 1. After completing a course in database management‚ you have been asked to develop a preliminary ERD for a symphony orchestra. You discover the following entity types that should be included. • CONCERT SEASON: The season during which a series of concerts will be performed. Identifier is Opening_Date which includes Month‚ Day‚ and Year. • CONCERT: A given performance of one or more compositions
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information‚ any decisions that need to be discussed and nay changes needed. The patent search functionally consists of search pages of simply an advanced comparison person look up. These designs provide flexibility in the database information and questions. With this database you can locate a certain patient and locate what information you’re
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Database Environment: Week 2 Joe Snuffy DMB/380 October 6‚ 2002 Database Environment Intro The Tampa Art Museum needs to track the artwork‚ artists‚ and locations where the art is displayed or stored within the museum. Currently The Tampa Art Museum is using an inaccurate set of spreadsheets to keep track of art‚ artist‚ and location data within the Museum and it is very cumbersome for end users. The Project teams Goal is to create a reliable database to streamline operations at the museum
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improved the computers to store many data and to create applications that will help the users. By that‚ database management system had been made. The work now is not time-consuming‚ hassle-free and easy to be done. Using database system nowadays‚ is very helpful to the companies or small businesses to have a more understandable and reliable system for them to have a more comfortable job. The database that the developers will make will benefit bus companies to help the administration‚ employees and the
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Attempted Question: Question no. 4 • Describe what a relational database is and why relational databases are needed. Introduction: The knowledge of databases is an essential requirement for any being who has majored in the field of computers and IT. Same criteria is involved for a technologist. Relational Database: Relational Database‚ also known as RDB‚ is major sub-branch of Database. A relational database‚ or more commonly known as RDB‚ is a collection of multiple data sets. Mainly
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