The entity-relationship model (or ER model) is a way of graphically representing the logical relationships of entities (or objects) in order to create a database. entity type is a collection of entity instances sharing similar properties Strong Entity Vs Weak Entity An entity set that does not have sufficient attributes to form a primary key is termed as a weak entity set. An entity set that has a primary key is termed as strong entity set. A weak entity is existence dependent. That is the
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Department of Computer Science and Electronics M¨ lardalen University a V¨ ster˚ s‚ Sweden a a Copyright c Dag Nystr¨ m‚ 2005 o E-mail: dag.nystrom@mdh.se ISSN 1651-4238 ISBN 91-88834-97-2 Printed by Arkitektkopia‚ V¨ ster˚ s‚ Sweden a a Distribution: M¨ lardalen University Press a Abstract As the complexity of vehicle control-systems increases‚ the amount of information that these systems are intended to handle also increases. This thesis provides concepts relating to real-time database management
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A PROPOSED COMPUTERIZED PAYROLL SYSTEM FOR VESTECH INDUSTRIAL ENTERPRISES SAN ROQUE‚ STO.TOMAS BATANGAS‚ PHILIPPINES A Project Study Presented To the Faculty of AMA Computer Learning Center Lipa‚ Branch In Partial Fulfillment of the Requirements in System Analysis and Design By: Ivilyn D. Ramos March 2014 APPROVAL SHEET This system development study entitled “A Proposed Computerized Payroll System for VEZTECH INDUSTRIAL ENTERPRISES‚ Sto.Tomas ‚ Batangas”‚ prepared and
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Economics Aspects Facts: • Two Berths accommodating two largest vessels in the world‚ with displacement of 110‚000 tonnes • Estimated cost: HK$8.2 Billion • Terminal Building and first berth to be commissioned in mid 2013 • Second berth will be commissioned in 2014 Economics Aspects Benefits: Short-term & Medium-term effects • By 2023‚ the followings are estimated to be created: 1. HKD 15b to 26b of accumulated economic income sources by the value-added approach Between HKD 1.4b and 2
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Databases in My Organization CIS319: Computers and Information Systems Abstract Databases have been in use since the early days of computing programs. An Information Technology services company‚ such as Getronics‚ not only utilizes databases for information and record management‚ it earns revenue by providing database management services. Getronics uses Microsoft SQL Server 2000 as its database software. The clients that contract Getronics for Information Technology services rely and
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information transfer process in an emerging information age library‚ libraries are introduced to new techniques of information storage and retrieval in which has become the focal point of the new field of information science. The application of computer technology to libraries and information services enhances the delivery of library service and provide increased access to information. The traditional way of gathering information is the manual system. The use of this system can be time consuming
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PROJECT PROPOSAL TOPIC:DESIGHN AND IMPLEMENTATION OF A COMPUTERIZED POULTRY MANAGEMENT SYSTEM STUDENT NAME:BRENDA CLEOPA NGOWI REGISTRATION NUMBER:10364/T.09 SUPERVISOR:Mr. KISANJARA DATE:4TH DEC 2011 TABLE OF CONTENTS CHAPTER ONE: 1.1 Introduction 1.2 Problem description 1.3 Research Objectives 1.3.1 General Objectives 1.3.2 Specific Objectives 1.4 Research Question 1.5 Significance of
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Computers in Education By Carla Cooper and Evelia Ramirez December 2006‚ University of California at Berkeley www.consttutioncenter.org “Today‚ education is perhaps the most important function of state and local governments. Compulsory school attendance laws and the great expenditures for education both demonstrate our recognition of the importance of education to our democratic society. It is required in the performance of our most basic public responsibilities‚ even service in the armed
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Running Head: Database Development Case Study: Database Development Maintenance plans and activities that could be performed in order to improve data quality In order to improve the quality of datasets various activities to be performed like error detection and correlation‚ process design and process control and improvement In error detection method‚ errors are detected by comparing data to a correct baseline and by checking for missing values. By examining time stamp incorrected
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that most likely race through animals’ minds when they are held in captivity by experimenters. In order to test medicines and medical procedures‚ animals--like mice‚ rats‚ dogs‚ and cats--are often used in order to avoid actually testing on humans. Unfortunately‚ some of these tests are not only painful for the animals‚ but they also do not result in medicines or procedures that can actually be used on humans. Animals should not be used for medical research because animals have rights as living
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