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  • Created by: Susie
  • Created on: 06-04-15 23:23
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  • Databases
    • Distributed databases
      • A single database that is under the control of a DBMS where the storage devices are not all attached to a common processor.
      • Advantages
      • Disadvantages
    • Flat files vs relational databases
      • Problems of the flat file
      • Differences between them
      • Benefits of relational database
        • Security
        • Queries
        • Data dictionary
    • Relational database organisation
      • Data consistency
      • Data redundancy
      • Data integrity
      • Data independence
    • Primary and foreign keys
    • Data normalisation
      • A mathematical technique used to eliminate data redundancy and any inconsistencies in the data
    • Data warehousing and data mining
      • Uses and applications
    • Database management software (DBMS)
      • Advantages
      • Disadvantages


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