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Gevita Chap 10 Database Management
Gevita Chap 10 Database Management
Gevita Chap 10 Database Management
Gevita Chap 10 Database Management
Gevita Chap 10 Database Management
Gevita Chap 10 Database Management
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Gevita Chap 10 Database Management

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Transcript

  • 1. CHAPTER 10 DATABASE MANAGEMENT PRESENTED BY GEVITA
  • 2.
    • DATABASE,DATA& INFORMATION
    • 7 type data
    • - Data integrity
    • - Quality Of valuable information
    • - Hierarchy of data
    • - Characters
    • - Fields
    • - Records
    • - Files
    • MAINTAINING DATA
    • Adding Records
    • Modifying Records
    • Deleting Records
    • Validating Data
  • 3. FILE PROCESSING VERSUS DATABASES File processing system Data Redundancy Isolated data The database Approach Disadvantages of database Many programs and users share the data in the database.
    • Can be more complex than a file processing system.
    • Store a lot in single file.
  • 4. DATABASE MANAGEMENT SYSTEM
    • 4 TYPE OF DATABASE
    • 1. File Retrieval & Maintenance
    • 2. Query Language
    • 3. Data Security
    • 4. Backup & Recovery
  • 5. Relational, Object Oriented & Multidimensional databases
    • 1. Relational
    • - Stores data in tables
    • 2. Object- Oriented Database
    • - store data in object
    • 3. Multidimensional
    • - store data dimensions
    • Web Database & Types
  • 6. CHAPTER REVIEW -Database, Data and information -Maintaining Data -File Processing versus Databases -Database Management System -Relational, Object Oriented & Multidimensional - Web Database
    • What is the examples of application for an object-oriented database?
    • 2. What is the 2 major weaknesses of file processing system?
    1. A multimedia database, a groupware database, a computer –aided design, a hypertext database. 2. Data redundancy and isolated data THANK YOU!

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