customer and a second for subscription. Specify identifiers‚ attributes‚ relationships and cardinality 2. (2 pts) Draw the ERD for the following scenario. The only attribute you need to include is the IDENTIFIER. Be careful with your cardinality. A patient has one or more patient histories; each instance of patient history belongs to one patient. 3. (2 pts) Draw the ERD for the following scenario. Include all the attributes. Note that one of your tables will have a composite identifier. You
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Table of Contents Project Proposal 10 Project Name 10 Corporate Client 10 Project Cost 10 Project Duration 10 Language used 10 Project Description 10 Purpose 11 BASELINE PROJECT PLAN 12 1.0Introduction 12 A.Project Overview ……………………….. 12 B. Recommendation ………………………… 12 2.0System Description 12 A.Alternatives …………………………….. 12 B.System description ……………………………. 13 3.0Feasibility Study 13 A.Economic Analysis ……………………………… 13 B.Technical analysis ……………………………… 14 C.Operation Analysis
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This pack contains DBM 380 Week 4 Individual Paper Normalization of the ERD General Questions - General General Questions DBM/380 College of Information Systems Technology Database Concepts LATEST VERSION OF SYLLABUS DBM380 Week 1 Individual Assignment Database Design Paper Write a 350- to 700-word paper in which you do the following: Explain what database systems are and how they are used. Define database architecture. Consider Microsoft® Access®‚ Microsoft® SQL Server®
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The Entity Relationship Diagram (ERD) depicts a conceptual data model that incorporates some of the important scientific information about the real world. It adopts a natural view that the real world consists of entities and relations (Chen‚ 1976). One objective of the ERD is to create a simple‚ easy to understand and conveniently presented data model consisting of entities‚ attributes‚ relationships and cardinalities. The model serves as tool for database design‚ where the model can facilitate communication
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Access database from a given ERD. To complete this assignment‚ you will need to be able to run Access 2010‚ either through Citrix or installed on your workstation or laptop. Deliverables Name your Access database file using Lab3_‚ your first initial‚ and your last name (e.g.‚ Lab3_JSmith.accdb). Create and save your Access database file. When you are done‚ submit your database to the Course Project Dropbox. i L A B S T E P S STEP 1 Review the ERD below to understand the entities
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its assumptions with users‚ make the necessary changes‚ and repeat the cycle until you are sure you understand the critical issues. In this background lesson‚ you are going to use a data modeling technique—specifically‚ EntityRelationship Diagrams (ERDs)—to model the business scenario from Lesson 2. The data model you create in this lesson will form the foundation of the database that you use throughout the remaining lessons. Before you sit down in front of the keyboard and start creating a database
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Problem Solutions 1. Use the following business rules to create a Crow’s Foot ERD. Write all appropriate connectivity’s and cardinalities in the ERD. 1.a. A department employs many employees‚ but each employee is employed by one department. 1.b. Some employees‚ known as “rovers‚” are not assigned to any department. 1.c. A division operates many departments‚ but each department is operated by one division. 1.d. An employee may be assigned many projects‚ and a project may have many employees
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attributes to specify more details about the attributes that known as composite attribute. For example attribute receipt that can have receipt number‚ table number‚ cashier name‚ GST registration number‚ date and time. There are some highest levels ERD that show attributes in order to show the simplicity of the diagram. . It represented in ER diagrams by an oval shapes. Relationship As the name relationship‚ it relates or interacts between two entities. It is usually implemented in computing data
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Tutorial Week 7 - Class and Entity-Relationship Diagrams 1 Class Diagrams and Entity Relationship Diagrams (ERD) Class diagrams and ERDs both model the structure of a system. Class diagrams represent the dynamic aspects of a system: both the structural and behavioural features. ERDs‚ depicting only structural features provide a static view of the system. 2 Class Diagrams 2.1 Elements of a class diagram: 2.1.1 class A class is a general concept (represented as a square box). A class defines
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Explanatory rd. Here we are discussing ERD&DRD. EXPLORATORY RESEARCH DESIGN ERD is suitable when researcher is not familiar with the penomenon / community he want to study. So he aims to gain familiarity with new phenomenon / community. it’ll leads to new ideas and insights that help in understanding and formulating the development of hypothesis and for its more precise investigation. In ERD Development of hypothesis comes at end‚it not test the hypothesis. ERD is flexible to permit consideration
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