support business decision making. Examples: sales analysis, production performance and cost trend reporting systems. Objectives: * Routine information for routine decisions * Operational efficiency * Use transaction data as main input * Databases integrate MIS in different functional areas. 3. Describe three levels of information in managerial level Management Support Systems provide information and support needed for effective decision making by managers Major categories are: i) Management
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Chapter 4 Logical Database Design and the Relational Model 1 Objectives • • • • Define terms for the relational data model Brief introduction to SQL Transform E-R diagrams to relations Create tables with entity and relational integrity constraints 2 Steps in Database Problem Solving Study and Analyze w/Team Interviews & Integrated Model Conceptual Model (E-R) Transformation (Six Cases) Logical M d l L i l Model (Relations) Normalization (Three Steps) Logical Model (3NF Relations) IMPLEMENTATION
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technology are new products, services, and business models; customer and supplier intimacy; survival; competitive advantage; operational excellence; and: 1) _______ A) improved decision making. B) improved business practices. C) improved efficiency. D) improved flexibility. 2) Which of the following choices may lead to competitive advantage (1) new products, services, and business models; (2) charging less for superior products; (3) responding to
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retrieval of information correct: a 8 What is a benefit of using a DBMS? a. It provides seamless Internet access to database data. b. It creates automatic backups. c. It helps create an environment for end users to have access to more data. d. It provides full security to data using private/public key encryption. correct: c 9 The ________ manages interaction between the end user and the database. a. DBMS b. DP c. DM query engine d. DBMQ correct: a 10 The ________ receives all application requests and translates
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accompanied by analytical tools that accommodate forecasting as part of the decision support system. The purpose of this paper is to explore the creation of a data warehouse. Since the specifics of creating the data warehouse are determined by the database system, this paper will devote its discussion to the design or layout of the data warehouse. Before discussion of the layout of the data ware house proceeds, the basics about a data warehouse need to be discussed. Then the elements of the data ware
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Chapter-1 1.1 Introduction Android is an software platform and operating system for mobile devices. It is based on the Linux kernel. It was developed by Google and later the Open Handset Alliance (OHA). It allows writing managed code in the Java language. Due to Android here is the possibility to write applications in other languages and compiling it to ARM native code. Unveiling of the Android platform was announced on 5 November 2007 with the founding of OHA. It's a consortium of several companies
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CHAPTER 1 – The Database Environment Database – organized collection of logically related data Data – stored representations of meaningful objects and events Structured – numbers, text, dates Unstructured – images, video, documents Information – data processed to increase knowledge in the person using the data Metadata – data that describes the properties and context of user data Disadvantages of File Processing Program-Data Dependence - All programs maintain metadata for each file they
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DATABASE MODELING AND DESIGN The Morgan Kaufmann Series in Data Management Systems (Selected Titles) Joe Celko’s Data, Measurements and Standards in SQL Joe Celko Information Modeling and Relational Databases, 2nd Edition Terry Halpin, Tony Morgan Joe Celko’s Thinking in Sets Joe Celko Business Metadata Bill Inmon, Bonnie O’Neil, Lowell Fryman Unleashing Web 2.0 Gottfried Vossen, Stephan Hagemann Enterprise Knowledge Management David Loshin Business Process Change, 2nd Edition Paul Harmon IT
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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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private corporate intranets, cloud computing is now spawning private cloud platforms. The database is the critical part of that platform. Therefore it is imperative that our cloud database be compatible with cloud computing. Key Design principles of the cloud model: The core design principle is dynamic scalability, or the ability to provision and decommission servers on demand. The shared-disk database architecture is ideally suited to cloud computing. It requires fewer and lower cost
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