EXAM QUESTIONS 1. Give 2-3 examples of the database applications. 2. What is the role of the database in the IS generic architecture? 3. What is file-based system? Give 2 examples of FBS. 4. What are main limitations of FBS? 5. What is database? 6. What does it mean that database is self-describing collection of interrelated records? 7. What does it mean that data is integrated? 8. What does it mean that database is collection of logically related data? 9. What is DBMS? 10. What are the
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ITM540 – Database and Knowledge-base Management Module 3 Case Assignment 3 Robert T. Goodwin Database Applications In his book Groupware -- Computer Support for Business Teams‚ Robert Johansen defines groupware as "specialized computer aids that are designed for the use of collaborative work groups." This definition is better than the "shared data" definition because it helps eliminate multiuser databases from the groupware category
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Database Design Process Database Life Cycle Key points Database design must reflect the information system of which the database is a part Information systems undergo evaluation and revision within a framework known as the Systems Development Life Cycle (SDLC) Databases also undergo evaluation and revision within a framework known as the Database Life Cycle (DBLC) There are two general design strategies exist: top-down vs. bottom-up design centralized vs. decentralized design 2
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Database Design Ryan K. Stephens Ronald R. Plew 800 East 96th St.‚ Indianapolis‚ Indiana‚ 46240 USA Database Design ASSOCIATE PUBLISHER Copyright 2001 by Sams Publishing EXECUTIVE EDITOR Bradley L. Jones All rights reserved. No part of this book shall be reproduced‚ stored in a retrieval system‚ or transmitted by any means‚ electronic‚ mechanical‚ photocopying‚ recording‚ or otherwise‚ without written permission from the publisher. No patent liability is assumed with respect
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DATABASE A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes requiring information. (1) Often abbreviated DB‚ a database is basically a collection of information organized in such a way that a computer program can quickly select desired pieces of data. You can think of a database as an electronic filing system. Traditional databases are organized by fields‚ records‚ and files. A field is a single piece of information;
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QRB/501 Week 2 Pre Quiz Find the trade discount on a computer that lists for $500 if a discount rate of 35% is offered. 500*35% The trade discount is $175 Calculate the trade discount for 60 boxes of computer paper if the unit price is $12.43 and a single trade discount rate of 20% is allowed. 60 * 12.43 = 745.80 * 20% = The trade discount is $149.16 Use the net price rate to calculate the net price for 50 boxes of computer paper if the unit price is $13.86 and a single trade discount
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Week Two Quiz Chapter 4 Tissues ________________________________________ 1. The four primary tissue types are a. epithelial‚ cartilage‚ muscle‚ and brain. b. connective‚ eipithelial‚ skin‚ and blood. c. epithelial‚ connective‚ muscle‚ and nerve. d. glands‚ bone‚ lungs‚ and kidney. e. bone‚ skin‚ blood‚ and muscle. 2. Epithelial tissue is characterized by a. tightly packed cells. b. absence of any basement membrane. c. extensive extracellular matrix. d. a rich blood supply
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NORMALIZATION OF DATABASE NORMALIZATION- is the process for evaluating and correcting table structures to minimize data redundancies‚ thereby‚ reducing the livelihood of data anomalies. The normalization process involves assigning attributes to tables based on the concept of determination. Normalization works through a series of stages called normal forms. 3 Stages of Normalization 1. 1NF or FIRST NORMALIZATION FORM 2. 2NF or SECOND NORMALIZATION FORM 3. 3NF or THIRED NORMALIZATION
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What is a database? * A database is a structured collection of data. The data is typically organized to model relevant aspects of reality (for example‚ the availability of rooms in hotels)‚ in a way that supports processes requiring this information (for example‚ finding a hotel with vacancies). * The term database is correctly applied to the data and their supporting data structures‚ and not to the database management system (DBMS). The database data collection
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fulfill the requirements. The nouns in the paragraph will tell you the entities that will be needed. The verbs in the paragraph will help you determine the relationships between the entities. Muscles Health Club Database Requirements | The Muscles Health Club needs a database to keep track of its members‚ their personal trainers‚ and the fitness classes they are taking.Employees can act as personal trainers for members. However‚ only certified employees can act as personal trainers. A member
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