What is repository?, Database Management System

Assignment Help:

Problem

1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples

2 Explain the following performance tuning techniques

  • Data Partition
  • Parallelism

3 What is repository? How is it helpful to the data warehouse maintenance?

4 Explain the following strategies for Data Warehouse testing

  • Completeness testing
  • Data transformation testing

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