a fully functional system in place by December 1‚ 2002. A preliminary budget of $75‚000.00 has been approved and allocated to this project. Scope The Database Team proactively worked on the development of the Entity Relationship Diagram (ERD). The ERD is being designed as a management tool to assist with the development of the Team’s Grocery Store Inventory System. The Grocery Store Inventory System is to be utilized by four main sections: purchasing agent’s ordering merchandise‚ merchandise
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BSNS106 Lecture 2 1. What is the distinction between data and information? 2. Describe the four attributes of information quality: Timeliness‚ Location‚ Form and Validity. Lecture 3 1. What is business intelligence‚ and how does it differ from just having information? 2. What is information flow? Describe each of the following directions of information flow – horizontal‚ vertical‚ incoming/outgoing. 3. Describe each of the steps presented in the slide "From Problems
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Conversion Problems 1‚ 5‚ 6‚ and 8 (pp. 221–224 of the textbook). [Note: You do not have to list conversion rules in your answer. Just convert ERDs into relational models] [Note: A relational model is a collection of “CREATE TABLE” commands (as shown in pp. 191–203).] You may use MS Visio Professional software (or any other drawing software) to draw ERDs. For MS Visio Professional Software‚ please see the “Assignment 2” thread of Discussion. When submitting your assignment‚ insert diagrams into
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the means to put into operation the appropriate infrastructure‚ hardware‚ software‚ and licensing. Therefore‚ assuming these components will not limit or influence the ERD. In a real life situation‚ one always has some working assumptions that one needs to document and clarify with the client. In order to ensure a successful ERD‚ several tasks will need to be executed. One of
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Entity Relationship (ER) Modeling In this chapter‚ you will learn: ½ The main characteristics of entity relationship components ½ How relationships between entities are defined‚ refined‚ and incorporated into the database design process ½ How ERD components affect database design and implementation ½ That real-world database design often requires the reconciliation of conflicting goals 4 This chapter expands coverage of the data-modeling aspect of database design. Data modeling is the first
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| | | | | | | | | |Information Technology Department | | | |SCHOOL OF INFORMATION AND TECHNOLOGY
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Chapter 5 Normalization of Database Tables Discussion Focus Why are some table structures considered to be bad and others good and how do you recognize the difference between good and bad structures? From an information management point of view‚ possibly the most vexing and destructive problems are created through uncontrolled data redundancies. Such redundancies produce update and delete anomalies that create data integrity problems. The loss of data integrity can destroy the usefulness
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Draw the Entity- Relationship Diagram (ERD) for the following scenario: A salesperson may manage many other salespeople. A salesperson is managed by only one salespeople. A salesperson can be an agent for many customers. A customer is managed by one salespeople. A customer can place many orders. An order can be placed by one customer. An order lists many inventory items. When the order is made for number of inventory items‚ the date and the amount is recorded. An inventory item may be listed
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EAST PARK RESIDENCE RESERVATION A Prelim Project Presented to the Faculty of the College of Information Technology University of Negros Occidental – Recoletos In Partial Fulfillment of the Requirements for the Degree Bachelor of Science in Information Technology by Robert D. Fernandez 2013 LIST OF FIGURES LIST OF TABLES TABLE OF CONTENTS Chapter I. INTRODUCTION 1.1 Organizational Background 1.2 Organization Mission 1.3 Organization
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information needs arise. * Supports many different views. (Ricardo‚ 2012) In the Entity-Relationship Diagram (ERD)‚ we start by identifying the entities. In this instance we will use Instructors and Courses as are entities. Next we will identify how they relate to one another. In this model the Instructors and Courses will relate by Instructor ID and Course ID. Once we have a good ERD we need to review it for normalization which is done automatically in software like Microsoft Access. Once both
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