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Database Systems Introduction (INTD-3535)

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Transcript

  • 1. Database Systems A Brief Introduction
  • 2. Outline 1. Introduction 2. Description 3. Conclusion 4. References
  • 3. Introduction
    • Brief Explanation
      • My investigation topic is “Database Systems”. Since my academic concentration is Computer Engineer, the Database Systems are widely used in the field. This investigation work pretends to briefly explain what is a Database System to those people who are completely know less of the topic. From now on, I will use “DB” for Database Systems.
      • People daily make use of DB’s without knowing it. For example, when checking emails, you are using a DB System.
  • 4. Introduction
    • Brief Explanation (cont)
      • Another example is: when you make use of the cell phone, you are dialing a number stored in the phone’s memory. That’s a DB.
      • Another example, but more complex, is the academic system of our college. All the record of courses, students and professors, is stored in a DB system.
  • 5. Introduction
    • Terms Definition
      • Database
        • A database is a structured collection of records or data that is stored in a computer system. The structure is achieved by organizing the data according to a database model.
      • Database Model
        • A database model is the structure or format of the database.
      • Relational Database
        • It’s a database model based on the first order predicate logic, created in 1969.
  • 6. Description
    • Database Systems Applications
      • DB Management Systems (DBMS)
        • A DBMS is a set of software programs that controls the organization, storage, management, and retrieval of data in a database. DBMS are categorized according to their data structures or types. It is a set of prewritten programs that are used to store, update and retrieve a Database.
      • Database Driven Web Sites
        • Commonly known as dynamic web sites. Those websites grab the information from a DB. In a same manner, they put information on a DB. For example, your bak’s page is a DB driven site.
  • 7. Description
    • Database Systems Applications
      • Mobile Databases
        • Mobile databases are databases that allows the development and deployment of database applications for handheld devices, thus, enabling relational database based applications in the hands of mobile workers.
        • Some of the commercially available Mobile relational Database systems are:
          • IBM's DB2 Everywhere 1.0
          • Oracle Lite
          • Sybase's SQL
  • 8. Description
    • Research Methods and Description
      • To gather all information regarding Database Systems I followed some steps that are common to the normal users.
      • I started making a search in Google by the term: database system.
      • Then, using the General Library web page, I’d continued the information gathering.
  • 9. Conclusion
    • Suggestions
      • Regarding my topic of investigation, the only thing I will suggest is that the Companies responsibles of creating and managing Database Systems may bring some more information to the common user that doesn’t have direct knowledge of DB Systems.
      • For example, we can bring information to people letting them know that DB Systems are everywhere.
  • 10. Conclusion
    • Easiness of Gathering
      • Gathering information was a relatively easy process. For luck, information of DB’s is widely available.
      • Even when the information is widely available, some sources were difficult to find. For example, to find thesis or magazines articles was more difficult than to find internet information.
  • 11. Reference List
    • Some References
      • Database Computer Systems . (n.d.). Retrieved May 5, 2009, from http://www.databasesystems.com/
      • Database management system - Wikipedia, the free encyclopedia . (n.d.). Retrieved May 5, 2009, from http://en.wikipedia.org/wiki/Database_management_system
      • Electronic verification system to begin. (2009, May 4). Ada Evening News . Retrieved May 5, 2009, from http://www.adaeveningnews.com/local/local_story_124123505.html
      • Gray, J. N. (n.d.). What is database management system? - A Word Definition From the Webopedia Computer Dictionary . Retrieved May 5, 2009, from http://www.webopedia.com/TERM/D/database_management_system_DBMS.html
      • Greenbaum, J. (n.d.). A Revolution Threatens the Relational Database . Retrieved May 5, 2009, from http://itmanagement.earthweb.com/columns/entad/article.php/3746191/A+Revolution+Threatens+the+Relational+Database.htm
  • 12. Reference List
    • Some References (cont)
      • Greenbaum, J. (n.d.). Should You Consolidate Your Database? . Retrieved May 5, 2009, from http://itmanagement.earthweb.com/entdev/article.php/3756931/Should-You-Consolidate-Your-Database.htm
      • Magazine, P. (n.d.). Database program Definition from PC Magazine Encyclopedia . Retrieved May 5, 2009, from http://www.pcmag.com/encyclopedia_term/0,2542,t=database+program&i=40883,00.asp
      • Mobile Database Systems. (2006, September 1). SciTech Book News , 3-7.
      • Schoning, H., & Wasch, J. (2000). Tamino - An Internet Database System. Advances in Database Technology — EDBT 2000 , 1 , 383-387.
      • Utsler, J. (n.d.). The Database Shuffle | Mainframe | IBM Systems Magazine . Retrieved May 5, 2009, from http://www.ibmsystemsmag.com/mainframe/januaryfebruary07/casestudies/11852p1.aspx
  • 13. Database Systems A Brief Introduction