2.5 Database 2.5.1 Introduction A database is a collection of information that is organized so that it can easily be accessed‚ managed‚ and updated. Databases in particular can form a key part of an information management plan which can support researchers and facilitate data management throughout the research lifecycle. Database technology can assist data at the collection stage by providing customized ways to input data‚ and the ability to do so from different locations such as five different
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AACS4794 MANAGEMENT INFORMATION SYSTEMS Case Studies Case Study 1: A Giant Step for Mattress Giant (May 2007) Mattress Giant is one of America’s largest bedding retailers‚ with 240 stores in 14 states. For years‚ the company spent more than $20 million (about RM70 million) annually‚ about 10 percent of its revenue‚ advertising to people in their mid-30s‚ whose household income was $30‚000 - $40‚000 (about RM105‚000 - RM140‚000) per year .and who drove domestic car. As it
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earnings‚ not dividends alone. Therefore‚ earnings per share will decrease even if dividends per share is maintained. • Ted Kale was concerned about a low issuance price of new stock and diluting the management control by issuing stock. Ted’s concerns are justified: the main task of the management is to maximize the shareholders’ value‚ i.e. to increase the stock’s price. There was a certain risk of dissatisfying shareholders and pricing new stock close to the lowest stock price of the year ($17
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Comparing and Contrasting the Relational Database Model and OO Model The relational database model is based upon tables or relations. In this model‚ the physical implementation of the database is abstracted away from the user. Users query the database using a high-level query language‚ such as SQL. The relations are made up of columns‚ which have headings indicating the attribute represented by that column. Tables have key fields‚ which can be used to identify unique records. Keys relate tables
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ACSG 552 – 01. Processor Florence Appel Advanced Database Class- Spring 2009. Assignment #01. Friday‚ January 23‚ 2009 Due in class on Thursday‚ Jan. 22. o Chapter 2 ▪ Review Questions‚ pp. 54-55: 2‚ 5‚ 6‚ 9‚ 18‚ 19 ▪ Problems‚ pp. 55-59: 1‚ 2; 12-15; 19-21; 22; 25abcde Chapter 02: Review Questions: pp. 54-55. #02) What is a business rule‚ and what is its purpose in data modeling? The business rule is a brief‚ precise and ambiguous
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Rooms Division Management Case Study#3: 10% Total /40 MarksThe Safe Deposit Box That Wasn’t Amanda stood beh... Rooms Division Management Case Study#3: 10% Total /40 Marks “The Safe Deposit Box That Wasn’t Amanda stood behind the front desk of the Metropolitan‚ a 376-room upscale hotel‚ and tried to ignore the butterflies in her stomach. It was just her second day on the job‚ and there was so much to remember! She glanced over at Ron‚ standing at the other end of the
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A teaching case study is defined as a narrative that describes a specific event within the school environment that allows professionals to investigate critical issues that impact the learning of students. Creating a case study can be seen as a form of professional development‚ educators learning from real examples. A case study is a powerful way for educators to reflect on the actions of other professionals. “Case studies force individuals and groups to think somewhat differently then they have
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Software development process A software development process‚ also known as a software development life-cycle (SDLC)‚ is a structure imposed on the development of a software product. Similar terms include software life cycle and software process. It is often considered a subset of systems development life cycle. There are several models for such processes‚ each describing approaches to a variety of tasks or activities that take place during the process. Some people consider a life-cycle model a more
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CHAPTER 1: Introducing Database System LEARNING OUTCOMES TOPIC At the end of this chapter‚ students should be able to: DATABASE CONCEPT BSIT 201 Explain what is data management Differentiate manual file system and computerised file system with database system INTRODUCING DATABASE SYSTEM CHAPTER 1 Define database system‚ database and database management system List the functions‚ advantages and disadvantages of database management system PREPARED BY: YEW CHERN
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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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