Database Essays & Research Papers

Best Database Essays

  • Database - 3760 Words
    CS6083: Principles of Database Systems ! Systems Concepts, 6th Edition, McGraw-Hill 2009. (The 4th and 5th editions are also OK to use.)!   Will use slides from book as well as extra material!   Posted on course page a day ahead of class! Database System Concepts - 6th Edition! Modified by T. Suel for CS6083, NYU Poly, Fall 2012! 1.1! ©Silberschatz, Korth and Sudarshan! CS6083: Principles of Database Systems !   Prerequisites: Data Structures, Operating Systems!   Binary search...
    3,760 Words | 23 Pages
  • Database - 317 Words
    Describe the ways in which database technologies could be used by an office stationery supply company to achieve low-cost leadership. Answer: Sales databases could be used to make the supply chain more efficient and minimize warehousing and transportation costs. You can also use sales databases, as well as text mining and sentiment analysis, to determine what supplies are in demand by which customers and whether needs are different in different geographical areas. Business intelligence...
    317 Words | 1 Page
  • Database - 650 Words
    1. The following major concepts were introduced in this Chapter (Ch 6): 1.1 Data Warehouse A data warehouse is a database that stores current and historical data of potential interest to decision makers throughout the company. The data originate in many core operational transaction systems, such as systems for sale, customer accounts, and manufacturing, and may include data from Web site transactions. The data warehouse consolidates and standardizes information from different operational...
    650 Words | 3 Pages
  • Database - 797 Words
     1) Which account is designated as the owner of a relation? What privileges does the owner of a relation have? Ans: An "owner" account is given to those in control of specific relations. They have select, modification, and reference privileges on that given relation. 2) How is the view mechanism used as an authorization mechanism? Ans: A multiuser database system must selectively permit users to share data, while retaining the ability to restrict data access. There must be a mechanism to...
    797 Words | 3 Pages
  • All Database Essays

  • Database - 3559 Words
    DataBase Concepts DataBase – a collection of information related to specific entity (e.g. organization, bank, college, library etc.) DBMS – (Database management system) – a application through which we can control the database i.e. we can store data into database, update the data and delete also we can retrieve the data from database. For doing these operation DBMS support a language called Structured Query language (SQL). SQL accomplishes many powerful tasks with a mere seven statements:...
    3,559 Words | 15 Pages
  • Database - 330 Words
    Database management Homework 1 Chapter 1. Getting started A. Create a simple list of owners and properties. B. Describe modification problems. There are three problems. First is deletion problem, second is update problem, third is insertion problem. Deletion problem is when you want to delete data, you may lost too much data. Update problem is when you want to update data, the sheet may have inconsistent data. Last insertion problem is when you want to insert some data, you...
    330 Words | 3 Pages
  • Database - 121795 Words
    Download at www.eBook12.Com Download at www.eBook12.Com This page intentionally left blank Download at www.eBook12.Com Introduction to Database Management Mark L. Gillenson, Paulraj Ponniah, Alex Kriegel, Boris M. Trukhnov, Allen G. Taylor, and Gavin Powell with Frank Miller Download at www.eBook12.Com Credits PUBLISHER Anne Smith ACQUISITIONS EDITOR Lois Ann Freier MARKETING MANAGER Jennifer Slomack SENIOR EDITORIAL ASSISTANT Tiara Kelly PRODUCTION MANAGER Kelly Tavares...
    121,795 Words | 425 Pages
  • Database - 6803 Words
    DATABASE: A database is an organized 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). A general-purpose database management system (DBMS) is a software system designed to allow the definition, creation, querying, update, and administration of databases. Well-known DBMSs...
    6,803 Words | 19 Pages
  • Database - 6794 Words
    DATABASE A database is a collection of data organized to meet users’ needs. Why This Matters Without data and the ability to process it, an organization would not be able to successfully engage in business activities, nor would it be able to generate reports to support knowledgeable workers and decision makers which in turn help’s to achieve organizational goals; it would not be able to pay employees, send out bills, and order new inventory. Databases have made it possible to map the...
    6,794 Words | 19 Pages
  • Database - 1372 Words
    abase 1. What is a Database Management System? Database Management System is a collection of interrelated data and a set of programs to access those data. This is a collection of related data with an implicit meaning and hence is a database. The collection of data, usually referred to as the database, contains information relevant to an enterprise. The primary goal of a DBMS is to provide a way to store and retrieve database information that is both convenient and efficient. Database...
    1,372 Words | 5 Pages
  • Database - 24717 Words
    Concurrency Control in Distributed Database Systems PHILIP A. BERNSTEIN AND NATHAN GOODMAN Computer Corporation of America, Cambridge, Massachusetts 02139 In this paper we survey, consolidate, and present the state of the art in distributed database concurrency control. The heart of our analysts is a decomposition of the concurrency control problem into two major subproblems: read-write and write-write synchronization. We describe a series of synchromzation techniques for solving each...
    24,717 Words | 77 Pages
  • Database - 1251 Words
    DBDC11D | Database concepts | Assignment 1 | | Robyn Wright | 3/27/2013 | | Contents Introduction 2 Task 1 3 1.1 Definition of database management system 3 1.2 5 Advantages of database management system 3 1.3 3 Business functions database management system could do 3 1.4 5 database management system packages 3 1.5 10 Factors when choosing a database...
    1,251 Words | 6 Pages
  • database - 1930 Words
    1 Chapter 1 Database Systems Database Systems: Design, Implementation, and Management, Seventh Edition, Rob and Coronel 1 1 In this chapter, you will learn: • The difference between data and information • What a database is, what the different types of databases are, and why they are valuable assets for decision making • The importance of database design • How modern databases evolved from file systems Database Systems: Design, Implementation, & Management, 7th Edition,...
    1,930 Words | 21 Pages
  • DATABASE AND DATABASE MANAGEMENT SYSTEM
    Database From Wikipedia, the free encyclopedia A database is an organized collection of data. The data are typically organized to model relevant aspects of reality in a way that supports processes requiring this information. For example, modeling the availability of rooms in hotels in a way that supports finding a hotel with vacancies. DBMS stands for "Database Management System." In short, a DBMS is a database program. Technically speaking, it is a software system that uses a standard...
    1,948 Words | 10 Pages
  • Database Design - 149940 Words
    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...
    149,940 Words | 872 Pages
  • Database Design - 739 Words
    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...
    739 Words | 10 Pages
  • Database Design - 1126 Words
    Database Design Scenario Currently a school uses a non-computerised database system to store the following information about its students: roll class, surname, first name, guardian's name, address, student's date of birth, gender, sport house, emergency-contact telephone number, mailing name, list of subjects offered, and subjects in which the student is enrolled. The system takes up a large amount of space, has many duplicated entries some of these with mistakes and it is time consuming...
    1,126 Words | 5 Pages
  • Database Security - 28580 Words
    - 1 - Database Security *) GÜNTHER PERNUL Institut für Angewandte Informatik und Informationssysteme Abteilung für Information Engineering Universität Wien Vienna, Austria 1. Introduction 1.1 The Relational Data Model Revisited 1.2 The Vocabulary of Security and Major DB Security Threats 2. Database Security Models 2.1 Discretionary Security Models 2.2 Mandatory Security Models 2.3 Adapted Mandatory Access Control Model 2.4 Personal Knowledge Approach 2.5 Clark and Wilson Model...
    28,580 Words | 92 Pages
  • Relational Databases - 4830 Words
    CHAPTER 4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer, a manager, and an internal auditor. How will understanding logical data structures assist you when designing and using database...
    4,830 Words | 23 Pages
  • Database Notes - 1252 Words
    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...
    1,252 Words | 8 Pages
  • Hypermedia database - 1170 Words
    A hypermedia database is a computer retrieval system. The database allows the user to access texts, video and audio recordings and photographs. Files are stored according to subject. Hypermedia Database Hypermedia database comprises a set of interconnected multimedia web pages. In this type of database, information is stored online and the data can be accessed by several users at a time. Hypermedia, an extension of the term hypertext, is a nonlinear medium of information which includes...
    1,170 Words | 4 Pages
  • Database Security - 7064 Words
    Journal of Information Technology Education: Innovations in Practice Volume 9, 2010 Database Security: What Students Need to Know Meg Coffin Murray Kennesaw State University, Kennesaw, GA, USA mcmurray@kennesaw.edu Executive Summary Database security is a growing concern evidenced by an increase in the number of reported incidents of loss of or unauthorized exposure to sensitive data. As the amount of data collected, retained and shared electronically expands, so does the need to...
    7,064 Words | 23 Pages
  • database system - 423 Words
    database systems: a practical approach to design, implementation and management (5th edition) Description: This best-selling text introduces the theory behind databases in a concise yet comprehensive manner, providing database design methodology that can be used by both technical and non-technical readers. The methodology for relational Database Management Systems is presented in simple, step-by-step instructions in conjunction with a realistic worked example using three...
    423 Words | 4 Pages
  • Database Administrators - 1626 Words
    1 Introduction Database is any collection of data or information, that is specially organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage, retrieval, modification, and deletion of data in conjunction with various data-processing operations. A database consists of a file or a set of files. The information in these files may be broken down into records, each of which consists of one or more fields. Fields are the basic units of data...
    1,626 Words | 6 Pages
  • distributed database - 248069 Words
    Principles of Distributed Database Systems M. Tamer Özsu • Patrick Valduriez Principles of Distributed Database Systems Third Edition M. Tamer Özsu David R. Cheriton School of Computer Science University of Waterloo Waterloo Ontario Canada N2L 3G1 Tamer.Ozsu@uwaterloo.ca Patrick Valduriez INRIA LIRMM 161 rue Ada 34392 Montpellier Cedex France Patrick.Valduriez@inria.fr This book was previously published by: Pearson Education, Inc. ISBN 978-1-4419-8833-1...
    248,069 Words | 1079 Pages
  • Database Environment - 1121 Words
    Database Environment Paper DBM-380 November 18, 2012 Introduction A database defines a structure for storing information and it collects information that is organized in such a way that a computer program can quickly select desired pieces of data. A database can also be thought of as an electronic filing system. Data and information are extracted from a database by creating a query and then submitting it to the query database management system (DBMS) and it is posed in a language...
    1,121 Words | 4 Pages
  • Database Technology - 576 Words
    DATABASE TECHNOLOGIES CLASS T.E. ( INFORMATION TECHNOLOGY) HOURS PER LECTURES : 04 WEEK TUTORIALS : -PRACTICALS : 02 HOURS EVALUATION THEORY 3 SYSTEM: PRACTICAL -ORAL -TERM WORK -- SEMESTER VI MARKS 100 -25 25 Objectives of the course: • This course aims to provide continuum to where the first course of databases left off. Design aspects of relational databases are covered. • Complex data models like OO OR parallel and distributed are introduced. • The course provides students a good...
    576 Words | 2 Pages
  • Database Design - 661 Words
     By: Date: 20150216 Class: DBM/380 Instructor: In this essay I'm going to be discussing what database systems are and how they are used. I will de speaking on and defining database architecture. I also will be discussing how database systems are used in my everyday life and at my workstation. We will start this off with the answer to “What is a database?”. A database is a compilation of related or like pieces of data. This information or data is...
    661 Words | 2 Pages
  • Database concepts - 586 Words
    Assignments Requirements 1. Look up the definition of functional dependency. Can you find a good example? In relational database theory, a functional dependency is a constraint between two sets of attributes in a relation from a database. Cars Suppose one is designing a system to track vehicles and the capacity of their engines. Each vehicle has a unique vehicle identification number (VIN). One would write VIN → Engine Capacity because it would be inappropriate for a vehicle's engine to...
    586 Words | 3 Pages
  • Database Enviroment - 1213 Words
    THE DATABASE ENVIRONMENT: A database defines a structure for storing information and it collects information that is organized in such a way that a computer program can quickly select desired pieces of data. A database can also be thought of as an electronic filing system. Data and information are extracted from a database by creating a query and then submitting it to the query database management system (DBMS) and it is posed in a language that only the DBMS can understand....
    1,213 Words | 4 Pages
  • Database Notes - 652 Words
    Database: specialized structures that allow computer-based systems to store, manage, and retrieve data very quickly. Data are raw facts. Information is the result of processing raw data to reveal its meaning. To reveal meaning, information requires context. Raw data must be properly formatted for storage Data constitute the building blocks of information. Information is produced by processing data. Information is used to reveal the meaning of data. Accurate, relevant, and timely...
    652 Words | 3 Pages
  • Temporal Databases - 6022 Words
    A REPORT ON TEMPORAL DATABASES ABSTRACT Commercial data bases store data in a relational model. Each record represents a snapshot of the data at an instance. Practical applications need the temporal behavior of the data and hence time becomes another dimension. The SOP aims at different techniques used to store the temporal data in optimum way. A database is a system intended to organize, store, and retrieve large amounts of data easily. A temporal database is a database with built-in...
    6,022 Words | 21 Pages
  • Databases in the Workplace - 752 Words
    Databases In the Workplace klee CIS/207 This paper will discuss the different databases in my organization with regards to what the databases are being used for and any improvements that can be made. To understand how a database helps the day-to-day functions of a business one must first know what a database does and how it works. A database is a “systematized collection of data that can be accessed immediately and manipulated by a data-processing system for a specific purpose” (English...
    752 Words | 2 Pages
  • Organizational Databases - 853 Words
    Organizational Databases Randal Chatman University of Phoenix CIS 207 Information System Fundamentals Carlos Andrade December 19, 2011 Abstract This paper is designed to discuss the structure and use of a database system that is currently being used by a nationally recognized telecommunications and entertainment company. It will contain information about the specific type of database that is being used by this company. According to Webopedia, “a database is a collection of...
    853 Words | 3 Pages
  • database secutiry - 2223 Words
    Database Security Wilmington University Table of Contents Table of Contents 2 Abstract 3 Database Security 4 Physical Security 4 Security threats to Database 4 Numerous layers and data security controls are related to databases as follows 7 Assessments of vulnerabilities and Compliance 8 Conclusion 11 References 12 Abstract This paper gives an idea regarding the important aspects of the database security. It mainly focuses on the security parameters such as confidentiality,...
    2,223 Words | 8 Pages
  • Database Questions - 418 Words
    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...
    418 Words | 2 Pages
  • Database for Scheduling - 528 Words
    DATABASE FOR SCHEDULING Joshua Crisp Prof. Raman Marwah CIS210 11/25/2012 There are many advantages of creating a database for scheduling purposes. Having a database will allow trainers to see what courses they have coming up and their supervisors will also see what their workload is. Being part of a corporation that is expanding needs to be able to adapt to changes and having a database for scheduling will help. First we will have to look at what is needed to create a scheduling...
    528 Words | 2 Pages
  • Database Sql - 755 Words
    Lecture-13 Structured Query Language (SQL) Introduction Commercial database systems use more user friendly language to specify the queries. SQL is the most influential commercially marketed product language. Other commercially used languages are QBE, Quel, and Datalog. Basic Structure The basic structure of an SQL consists of three clauses: select, from and where. select: it corresponds to the projection operation of relational algebra. Used to list the attributes desired in the...
    755 Words | 4 Pages
  • Multimedia Database - 2612 Words
    Introduction Digital images, video, audio, animation, and graphics together with text data are the typical multimedia data. The acquisition, generation, storing and processing of multimedia data in computers and transmission over network has a tremendous growth recently. This could be caused by several factors. The ubiquitous nature of personal computer and increasing computational power is one of the important factors. Technological advancement resulted in high-resolution device which able to...
    2,612 Words | 8 Pages
  • Database and Programming - 1574 Words
    College of Business Hospitality & Tourism Studies Department of Computer Science & Information System CIN623 Database Design & Programming Final Examination Trimester 1 – 2011 Date: Duration:3 hours plus 10 minutes INSTRUCTION TO STUDENTS 1. You are allowed ten minutes extra reading time during which you are not to write 2. Write all answers to each question in the Answer Booklet. 3. Write your Student ID number at the top of each attached sheet. 4. Insert all written foolscaps in their correct...
    1,574 Words | 9 Pages
  • Advantages of Database - 402 Words
    1. Advantages of database over Advantages of spread sheets; One of the advantages of database is that it reduced data redundancy this is because in databases, there is an identifier. The identifier is the primary key, where when it is entered, all other details, which saved under the primary key, will be revealed. Therefore, there’ll be less repetition of data. Next, databases improved data integrity, which it will guaranteed the data proven to be correct. Linked to the primary key function,...
    402 Words | 2 Pages
  • Distributed Database - 3140 Words
    DISTRIBUTED DATABASE MANAGEMENT SYSTEM A distributed Database Management System (DDBMS) is a database in which storage devices are not all attached to a common processing unit such as the CPU. It may be stored in multiple computers, located in the same physical location; or may be dispersed over a network of interconnected computers. Unlike parallel systems, in which the processors are tightly coupled and constitute a single database system, a distributed database system consists of loosely...
    3,140 Words | 9 Pages
  • Database Software - 1270 Words
     Computer in business Name Institution Database Software The acquisition of database software for business information management is a source of business leverage in the ever competitive business environment. The management of business information is made possible by the acquisition of efficient database software. Database software is the term that refers to the computer program that helps to enter, update, organize, retrieve, and report information held in a computer database....
    1,270 Words | 4 Pages
  • Database Proposal - 503 Words
    Proposal Course Name: Database Management System Database System for: School/College Database Name: e School Management System (eSMS) Our Database Software: We have to develop database software on a School/College Islamabad College for Girls (ICG). Our database name is eSMS stands for e school Management System. Selected Organization: The target organization ICG (Islamabad College for Girls) is located at Shalimar 6/2, Islamabad....
    503 Words | 4 Pages
  • Database Systems - 411 Words
    Database Systems What is a database? At its most simplistic a database is nothing more that a repository of data. Expanding on that minimalistic definition a database can be defined as “specialized structures that allows computer-based systems store, manage, and retrieve data” (Coronel, Morris, & Rob, 2013, p. 5). Databases store data, but data alone is of limited use. Knowing that company X had fifty-thousand in sales is interesting but not very useful data without a context. Knowing...
    411 Words | 2 Pages
  • DATABASE SQL - 592 Words
    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...
    592 Words | 2 Pages
  • Database Assignment - 1258 Words
    BCO 1102 Information Systems for Business Database Assignment Sunway- Kuala Lumpar Semester 1, 2011 The database assignment is divided into two major sections. The first requires you to develop a database in Access 2007. Imagine that this is a prototype that will have four tables and some basic features such as forms, reports and queries. The second part is documentation that is used to describe the database you have produced to the client who has requested the database. In this latter...
    1,258 Words | 4 Pages
  • Database Administrator - 3175 Words
    Career Investigation: Database Administrator Keith Hudson Davenport University FRSM100, Career and Education Seminar Aura Gardner June 26 11, 2013 Definition of Success Success in my opinion can only be defined as what was left behind to be experienced or built upon for the next generation. This would be a legacy left to others which speak to your contribution to society and family. Material possession and financial gain does not identify success, but could be a benefit of...
    3,175 Words | 10 Pages
  • Database Environment - 406 Words
    The database environment for the Barry’s Bug Blasters is very outdated. When analyzing the Finance & Account section of the company’s website, there are PDF files that have the history of balance sheets, income, and cash flow statements. The information that is available on the site and PDF’s is arranged easy to read, but having the correct database would help expedite with searching and modifying of data within these documents. The addition of a database would allow the finance and accounting...
    406 Words | 2 Pages
  • Database Management - 613 Words
    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...
    613 Words | 3 Pages
  • Database Exercise - 751 Words
    Databases Team B ACC/340 June 13, 2011 Richard Calabria Databases In today’s business society, technologies such as databases are a vital part of just about every major retail business including the Riordan’s organization. Many people overlook the importance of the role of databases in business because they are integrated so well. Databases definitely affect the output part of the accounting cycle because it includes company’s financial data and other external reports...
    751 Words | 3 Pages
  • Green Database - 3087 Words
    ECO FRIENDLY DATABASE Varun Chauhan MBA Student, Delhi Institute of Advanced Studies Pranav Kharbanda MBA Student, Delhi Institute of Advanced Studies Vindhya Chhabra B.Tech Student, Delhi Technical University (IT) Sumit Jain MBA Student, Delhi Institute of Advanced Studies ECO FRIENDLY DATABASE ABSTRACT 2. GREEN DATABASE Database should utilize several modern hardware capabilities. The...
    3,087 Words | 11 Pages
  • Database Ralationship - 7781 Words
    Linking Named Entities to Any Database Avirup Sil∗ Temple University Philadelphia, PA avi@temple.edu Yinfei Yang St. Joseph’s University Philadelphia, PA yangyin7@gmail.com Abstract Existing techniques for disambiguating named entities in text mostly focus on Wikipedia as a target catalog of entities. Yet for many types of entities, such as restaurants and cult movies, relational databases exist that contain far more extensive information than Wikipedia. This paper introduces a new task,...
    7,781 Words | 25 Pages
  • DATABASE PAPER - 766 Words
     Sheena M. Hunt Database Paper DBM/381 University of Phoenix Healthcare database systems are critical in health care. Databases are used frequently in healthcare. There are different types of databases. This paper will define health care database systems and describe how databases are used across the health care industry. It will also explain the different database architectures including the relational architecture and describe the needs of database users across the health care...
    766 Words | 3 Pages
  • Relational Databases - 750 Words
    Relational Databases Lee Rudd Abstract Data for our programs are stored in various formats. The most commonly used format is in the form of a database since databases are not dependent on a single program or hardware platform. These databases are stored in five structures of hierarchical, network, relational, multidimensional, and object-oriented. Hierarchical structure organizes data in a one to many relationship. The network goes of the hierarchical structure by organizing data...
    750 Words | 3 Pages
  • Database Design - 487 Words
    5.1: DEFINITION OF DATABASE A database is a shared collection of interrelated data designed to meet the varied information needs an organization. A database has two important properties that it is integrated that it is shared. 5.2: IMPORTANCE OF DATABASE The data resources of organization and its management are very important. The recognition by management that data or information is indeed a resource is a recent development. Information, which in essence is analysis and synthesis of...
    487 Words | 3 Pages
  • database architecture - 654 Words
     Database Architecture DBM/380 –Database Concepts September 9, 2013 Sandra Graca Database Architecture Database systems are a way to collect and store large amounts of data. Essentially, database are electronic filing systems that store raw data to be later retrieved as useable information (Skillport, ). Using such a tool simplifies the filing and storage of all sorts of information used by businesses today. A common type of database is a customer/inventory database....
    654 Words | 3 Pages
  • Intro to Database - 2693 Words
    Fundamentals of Database Systems Final Exam Review Questions Dr. Fahmi Abboushi True/False Indicate whether the statement is true or false. ___T__ 1. A database language must enable the user to create database and table structures to perform basic data management chores. ___T 2. A database language must enable the user to perform complex queries designed to transform the raw data into useful information. ___F 3. SQL is considered hard to learn; its command set has a vocabulary...
    2,693 Words | 20 Pages
  • Distributed Databases - 956 Words
    Introduction As companies grow and expand they are faced with the challenge of effectively and economically operating in a disparate environment. To thrive in today’s dynamic and fast paced business environment, data sharing and integration is required across applications and departments. Let us take the example of a company XYZ. Company XYZ is a multination company with its offices in all major cities worldwide. Over the years each region has developed its own information...
    956 Words | 4 Pages
  • Database Concepts - 1636 Words
    Database Concepts, 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list, other...
    1,636 Words | 10 Pages
  • Introduction to Databases - 2372 Words
    Part 1 Background Chapter 1 Introduction to Databases 1.1 A database management system provides a number of facilities that will vary from system to system. Describe the type of facilities you might expect, especially those that aid the initial implementation of a database and its subsequent administration. Initially, the type of facilities expected should be described. These include: data storage and retrieval, concurrency control mechanism, authorization services, integrity...
    2,372 Words | 12 Pages
  • Database Essay - 478 Words
    Databases are protected from loss by backing up copies to another computer of disk, usually companies use disks called RAIDS which backup the database twice at the same time which is much better than backup to a regular disk. Apart from RAIDS there are a few other ways of backing up as well these are backing up to, External HD, USB, CD/DVD or a fileserver. It sounds like the sporting club administrator might have used an External HD or Backup fileserver to backup the data to his home computer....
    478 Words | 2 Pages
  • Online databases - 730 Words
    An online database a collection of organized data that can be accessed from various networks, like the internet. Usually, databases are used for things like booking a seat or a room in planes or hotels, or even online shopping. In this report, I have chosen to discuss two databases that are quite different, and investigate on the benefits and detriments of the storage of data in online information systems. The two databases I have chosen to discuss are YouTube and Amazon. These databases are...
    730 Words | 2 Pages
  • What Is a Database? - 626 Words
    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...
    626 Words | 2 Pages
  • Database Management - 9123 Words
    Introduction What is “Data”? ► A representation of raw facts which has no meaning assigned ► Generally, operations are performed on data or data items to supply some information about an entity. What is a Database? A database is an integrated and structured collection of stored operational data used (shared) by application systems of an enterprise Examples of Databases • Medical records • Bank accounts • Stock control • Telephone directories...
    9,123 Words | 43 Pages
  • Database Notes - 333 Words
    Intro to Database assignment The purpose of this assignment is to : • Give evidence of your research skills o Use as many resources as you need o Attribute sources o Do not “copy and paste”! o Read and re-write in your own words • Allow critical analysis of your current report/essay writing skills • Identify areas where improvement may be advisable • Give you a better grasp of databases as a an area of study • Allow you to research /work collaboratively but still submit a unique...
    333 Words | 2 Pages
  • Database Assignment - 4313 Words
    University of Greenwich Database assignment2 Iago Castro Cuna Student ID: 000628811 Course ID : COMP1450 DATABASE ASSIGNMENT2 Iago Castro Cuna Table of Contents 1 INTRODUCTION ..................................................................................................................... 4 2 CREATING THE DATABASE TABLES ....................................................................................... 5  2.1 Creating the company...
    4,313 Words | 20 Pages
  • Database Management - 304591 Words
    CONTENTS PREFACE Part I 1 BASICS 1 INTRODUCTION TO DATABASE SYSTEMS 1.1 1.2 1.3 1.4 1.5 3 Overview A Historical Perspective File Systems versus a DBMS Advantages of a DBMS Describing and Storing Data in a DBMS 1.5.1 The Relational Model 1.5.2 Levels of Abstraction in a DBMS 1.5.3 Data Independence Queries in a DBMS Transaction Management 1.7.1 Concurrent Execution of Transactions 1.7.2 Incomplete Transactions and System Crashes 1.7.3 Points to Note...
    304,591 Words | 1237 Pages
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