Lab 1 of 7: Introduction to MS Visio and MS Access Scenario/Summary: You have been asked to create two conceptual database models using MS Visio Database Model Diagram Template. The purpose of this lab is to have you gain familiarity with the various modeling tools needed to create a conceptual model (entity relationship diagram) of a database. You will create two conceptual models. You will then open an existing Access database to explore database objects and to experiment with
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important concepts in relational database design. A basic understanding of these will be required to understand the rest of the article. * Primary Key (PK) A column with a unique value for each row. Although not all database management systems (DBMS) require you to put a PK into each table‚ from a design perspective a PK is a requirement. No table should be without one. * Foreign Key (FK) These define relationships between tables. When you want a row in one table to be linked to a row in
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centrally coordinated files. 4. A database management system (DBMS) serves as the interface between the database and the various application programs. 5. Database technology provides the following benefits to organizations: a. Data integration b. Data sharing c. Reporting flexibility d. Minimal data redundancy and inconsistencies e. Data independence f. Central management of data g. Cross-functional analysis 6. The DBMS handles the link between the physical and logical views of the data
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ERD WORKING PAPER SERIES NO. 25 ECONOMICS AND RESEARCH DEPARTMENT Revisiting Growth and Poverty Reduction in Indonesia: What Do Subnational Data Show? Arsenio M. Balisacan Ernesto M. Pernia Abuzar Asra October 2002 Asian Development Bank ERD Working Paper No. 25 REVISITING GROWTH AND POVERTY REDUCTION IN INDONESIA: WHAT DO SUBNATIONAL DATA SHOW? Arsenio M. Balisacan Ernesto M. Pernia Abuzar Asra October 2002 Arsenio M. Balisacan is Professor of Economics at the
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Top 10 Strategic Technology Trends for 2013 Carl Claunch This presentation‚ including any supporting materials‚ is owned by Gartner‚ Inc. and/or its affiliates and is for the sole use of the intended Gartner audience or other authorized recipients. This presentation may contain information that is confidential‚ proprietary or otherwise legally protected‚ and it may not be further copied‚ distributed or publicly displayed without the express written permission of Gartner‚ Inc. or its affiliates
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SYLLABUS FOR BACHELOR OF COMPUTER APPLICATIONS - SIMULTANEOUS ENTRY (BCA- SE) FIRST YEAR BCA 06 Introduction to Database Management System Block 1 : DBMS concepts : Introduction – Basics of Database – Three views of Data – Three level architecture of DBMS – Facilities – Elements of DBMS – Advantages and disadvantages – Database Models : File Management system and its drawbacks – Database Models : E-R Model‚ Hierarchical Model‚ Network Model‚ Relational Model. Block 2 : File Organization
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requirements. ____ 16. A physical model shows what the system is required to do in great detail‚ without committing to any one technology. ____ 17. The modern structured analysis technique uses data flow diagrams (DFDs) and entity-relationship diagrams (ERDs). ____ 18. One of the
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........................................................................... 3 2.1.2 Non-functional requirement ............................................................................................. 5 3. Logical design: Data Modeling (ERD) .................................................................................... 6 4. Logical design: Process Modeling (DFD) ............................................................................... 9 5. Decision Analysis
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IS3331 Data Management Group Project (Part 1 & 2) Final Report Tutorial Group L03 Group members Lee Sze Yin‚ Timothy (51435230) Hui Nga Wai‚ Kitty (51447436) Cheng Ka Shing‚ Gary (51471880) Leung Sin Hang (51442649) Chui Kai Wing‚ Tom (51216738) Section 1: External Schema We selected “Airline Operation” as our project topic. The routine operation of the database system for airline operation involved three major individuals: Customer‚ Staff and Human Resources Manager. Here are some
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The Ethical Dilemma I was tasked with the following case from a charge nurse as part of an ethics consult. A 68 year old man was admitted to the medicine unit from Denver International Airport for altered mental status and aggressive behavior. The patient‚ from this point forward to be called Mr. Johnson‚ was found to be acutely infected from a septic wrist joint‚ but was also found to have frontotemporal dementia. Once the infection cleared‚ it was hoped that Mr. Johnson’s mental status would improve
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