1. Let us design a database for an bank‚ including information about customers and their accounts. Information about a customer includes their name‚ address‚ phone‚ and Social Security number. Accounts have numbers‚ types(e.g.‚ savings‚ checking) and balances. We also need to record the customer(s) who own an account. Draw the E/R diagram for this database. Be sure to include arrows where appropriate‚ to indicate the multiplicity of a relationship. Solution: [pic] 2. For your E/R diagram of
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Database Design and Development | International Institute Of Computer Professionals | Francisco Lezama | Student ID: 00132002 | March 2013 NCC Education - Level 5 Diploma in Business Information Technology School of Accounting and Management‚ Trinidad‚ W.I. Table of Contents Task 1 1 Entity Relationship Diagram 1 Normalization 4 Data Dictionary 6 Task 2 10 2.1 Implementation and Data 10 2.2 Inserting data into tables for Members and Countries 16 2.3 Inserting Data
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Project Proposal Template 1: Business situation Business Name: The Queue Business description: The Queue is a company that provides service to customers by helping them buy products. Customers can order not only hot products that spent much time to queue‚ but also simple products for helping customers save their times. For example: Concert tickets‚ Garrett popcorn‚ Starbucks’ buy one free one promotion‚ or Jamsai books at the national book fair. Customers can contact with our company by using
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10/09/14 Marius Ouambo 2520 Mohammed Suleiman Oak Brook Unit 3 Assignment 1 There are many database-naming conventions to choose. As I read each of them I wanted to make sure‚ I got the idea that they were trying to explain for each of the different conventions. Though some of them had‚ more guidelines than other I still took into account all of the instructions because some of them did repeat each other with certain things. The convention that made the most sense to me is the
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MODULE: DATABASE DESIGN & DEVELOPMENT ASSIGNMENT TITLE: VETERINARY SURGERY DATABASE DEVELOPMENT Table of Content Task 1 Page 2 Task 2 Page 5 Task 3 Page 14 Task 4 Page 28 Task 5 Page 30 Reference Page 32 Bibliography Page 33 Task 1 Question: AIM: Draw an Entity Relationship Data Model that describes the content and structure of the data held by Petcare. Specify the cardinality ratio and participation constraint of each relationship type. Answer: I have prepared this assignment
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Databases | Database Construction and Management 1. What is a database? A database is one or more large structured sets of persistent data‚ usually associated with software (database management system) to update and query the data. A simple database might be a single file containing many records‚ each of which contains the same set of fields where each field is a certain fixed width - From FOLDOC A database is a collection of data elements (facts) stored in a computer in a systematic way
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Exploring Microsoft Access 2010 by Robert Grauer‚ Keith Mast‚ Mary Anne Poatsy Chapter 2 Relational Databases and Queries Copyright © 2013 Pearson Education‚ Inc. Publishing as Prentice Hall. 1 Objectives • • • • • • • Design data Create tables Understand table relationships Share data with Excel Establish table relationships Create a single-table query Specify criteria for different data types Copyright © 2013 Pearson Education‚ Inc. Publishing as Prentice Hall.
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Database Queries and Reports You are responsible for managing information system development projects at AAA Systems. To better track progress in completing projects，you have decided to maintain a simple database table to track the time your employees spend on various tasks and projects with which they are associated. It will also allow you to keep track of employees’ billable hours each week. The table below provides a sample data set. Project_Name Task Name Employee_ID Production Week
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Chapter 1: Database Systems Summary • Data are raw facts. Information is the result of processing data to reveal their meaning. Accurate‚ relavant and timely information is the key to good decision making and good decision making is the key to organizational survival in a global environment • Data are usually stored in a database. To implement a database and manage its contents you need a database management system (DBMS). DBMS serves as an intermediary between the user and the
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91.3902 Database Systems Assignment #1 1. Discuss the role of a high-level data model in the database design process. High-level data models assist in conceptual design and helps express data requirements of the users and includes detailed descriptions of the entity types‚ relationships‚ and constraints. The high-level data model is also used as a reference to ensure that all users’ data requirements are met and that the requirements do not include conflicts. 2. List the various
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