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Difference between Homogeneous and Heterogeneous

This slides are made over the types of database.

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Difference between Homogeneous and Heterogeneous

  1. 1. I am known as Muhammad Faraz Qaisrani From 2nd Batch In Benazir Bhutto Shaheed University
  2. 2. Topic of Today Types of DDBMS  Homogeneous  Heterogeneous
  3. 3. Distributed Database System “A logically interrelated collection of shared data physically distributed over a computer network.”
  4. 4. Types of Distributed Database System  Homogeneous  Heterogeneous DDBMS Homogenous Heterogeneous
  5. 5. Homogenous Distributed Database Systems In this type of database has all data center have same software Much easier to design and manage. It appears to user as a single system
  6. 6. Homogeneous Database Same software
  7. 7. Advantages of Homogeneous Distributed Database  Easy to use  Easy to mange  Easy to Design Disadvantages of Homogeneous Distributed Database  Difficult for most organizations to force a homogeneous environment
  8. 8. Heterogeneous Distributed Database Systems In this type of database , Different data center may run different DBMS products, with possibly different underlying data models. Occurs when sites have implemented their own databases and integration is considered later. Translations required to allow for: o Different hardware. o Different DBMS products. o Different hardware and different DBMS products.
  9. 9. Heterogeneous Distributed database Sql oracle
  10. 10. Advantages of Heterogeneous Distributed Database Huge data can be stored in one Global center from different data center Remote access is done using the global schema. Different DBMSs may be used at each node Disadvantages of Heterogeneous Distributed Database Difficult to mange Difficult to design.
  11. 11. If you have any question so Please raise you hand
  12. 12. ALLAH HAFFIZ