MMIS 630 Database Systems – Final Exam 1. What are the issues in the normalization vs. performance trade-off? Discuss. Your essay should (1) define and describe the characteristics of normalization, (2) define and describe the characteristics of performance, and (3) define and describe what is meant by “performance trade-off”, (4) summarize your essay with recommendations and/or guidelines regarding use of normalization in database design. ANS: When we take a close look in designing
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Chap 9 Review questions 1. Explain the main differences between a file processing system and a database system. A database coordinates the physical and logical access to the data; a file-processing system only coordinates physical access to the data. A DBMS reduces the amount of data duplication. A DBMS is designed to coordinate and permit multiple users to access data at the same time. A file processing system is much more restrictive in simultaneous data access. 2. What is a DBMS? Briefly
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CONNECTIVITY INNOVATION PRODUCTIVITY CULTURE EVOLUTION Helping Suppliers Automotive supplier Delphi launched the Quality Focus Supplier (QFS) initiative In 2003. This eight-step program is designed to encourage and enable suppliers to embrace a culture of zero defects and continuous improvement through an unrelenting focus on quality. The results to date have been impressive: a dramatic reduction in nonconforming parts, in problem cases, and in negative impacts to Delphi's facilities
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1. What is an entity? Give some examples. An entity exists and that's all it needs to do to be an entity. The fact that something exists also seems to connote separateness from other existences or entities. 2. What is a relationship? Give some examples. A relation is defined as a set of tuples that have the same attributes. A tuple usually represents an object and information about that object. Objects are typically physical objects or concepts. A relation is usually described as a table, which
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Proposed Purpose for the Database Huffman trucking utilizes this database to maintain and access important data about Huffman Trucking’s fleet vehicles such as vehicle and tire maintenance services, work orders, and unique vehicle identification information. Additional information that can be found in the database is vendor contact, parts inventory, and purchasing history. This database provides an efficient way to track and schedule routine maintenance, track parts inventory which helps prevent
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Introduction to Microsoft Access 2003 Zhi Liu School of Information Fall/2006 Introduction and Objectives Microsoft Access 2003 is a powerful, yet easy to learn, relational database application for Microsoft Windows. This tutorial is designed for users who are new or only have little experience using Access 2003. It introduces fundamental database concepts and operations and illustrates how they are performed in Microsoft Access 2003. This tutorial does not cover all of the features and functions
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University of Phoenix Data Systems Learning Team Paper Team A: Renee Wilson, Ferdinand Habijan, Maryrose DeFino, Stasia Bowling HCI 520 Data Management and Design January 16, 2012 Steven Fowler Introduction This paper will address data systems; a database is an organized group of files that are related and considered the supporting constructs of a database management system. It is maintained and considered an integral part of most organizations worldwide. The database management
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Assignment #1: Give a short definition for each of the following terms: * Database management system (DBMS): A software package that controls. * Entity: Idea for which you want to store or process data, it can also be a person, place, object, and event. * Attribute: A single data item related to a database object. * Column: Vertical line of characters going from the top to the bottom of the screen. * Field: Single piece of information * Integrity: Data that’s that entered
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Interview Questions for hiring an Oracle mid-level developer in an IT organization General Questions: • Please tell us a little about the organization that you work for and your role in it. • Do you see yourself as a nut and bold developer or more of team lead role within your organization • Do you have any issues with working on all phases of a project (such as Analysis, Design, Coding, Documentation and Implementation)? Under your current role, do you work in all these phases yourself or
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Final Exam A 1. Redundancy refers to what database condition? a. A primary key is repeated in another table as a foreign key. b. All data is stored in tables. c. The same data is recorded in more than one place in the same database. d. You have more than one database devoted to the same thing. 2. Which statement best describes the function of a primary key? a. It uniquely identifies each record. b. It is always a number. c. It is the first field in a table. d. It unlocks the data in a
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