"Cinhal database" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 3 of 50 - About 500 Essays
  • Powerful Essays

    Database Security

    • 28580 Words
    • 115 Pages

    - 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 2

    Premium Database Relational model Access control

    • 28580 Words
    • 115 Pages
    Powerful Essays
  • Good Essays

    Advantages of Database

    • 402 Words
    • 2 Pages

    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‚ the

    Premium Database Relational model Spreadsheet

    • 402 Words
    • 2 Pages
    Good Essays
  • Powerful Essays

    Database

    • 24717 Words
    • 99 Pages

    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 subproblem

    Premium Database Database management system Transaction processing

    • 24717 Words
    • 99 Pages
    Powerful Essays
  • Powerful Essays

    Database

    • 6794 Words
    • 28 Pages

    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 structure

    Premium SQL Database Data modeling

    • 6794 Words
    • 28 Pages
    Powerful Essays
  • Powerful Essays

    database

    • 1930 Words
    • 21 Pages

    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‚ Rob

    Premium Database management system Database Data management

    • 1930 Words
    • 21 Pages
    Powerful Essays
  • Good Essays

    Database Exercise

    • 751 Words
    • 4 Pages

    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 that

    Premium Entity-relationship model Asset Business

    • 751 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Database concepts

    • 586 Words
    • 3 Pages

    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 have

    Free Database normalization Relational model Database

    • 586 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Database

    • 797 Words
    • 3 Pages

    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 provide protection and security‚ permitting information to be accessed only by properly authorized users. Further

    Premium Database SQL Database management system

    • 797 Words
    • 3 Pages
    Good Essays
  • Good Essays

    DATABASE APPLICATION SOFTWARE A database application is a computer program whose primary purpose is entering and retrieving information from a computer-managed database. Early examples of database applications were accounting systems and airline reservations systems‚ such as SABRE‚ developed starting in 1957. A characteristic of modern database applications is that they facilitate simultaneous updates and queries from multiple users. Systems in the 1970s might have accomplished this by having

    Premium Computer Application software Computer software

    • 513 Words
    • 3 Pages
    Good Essays
  • Powerful Essays

    Database

    • 121795 Words
    • 488 Pages

    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 PRODUCTION

    Premium Database Database management system Data modeling

    • 121795 Words
    • 488 Pages
    Powerful Essays
Page 1 2 3 4 5 6 7 8 9 50