Monday, January 2, 2012

Data Modelling - 1


  1. What are aggregates and why do you need them ?
  2. What is the role of a logical data modeler and physical data modeler ?
  3. How do you gather requirements for creating data model ?
  4. What is the naming convention you follow ?
  5. What are the different notations that can be used ?
  6. What is cardinality ?
  7. What are identifying and non identifying relationships ?
  8. Why do you need reports from data model ?
  9. What kind of Meta data do you capture in a data model ?


    Other useful links - helps in finding answers -
    http://www.agiledata.org/essays/dataModeling101.html

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