Question: What is the difference between transactional processing systems and decision support systems? What is a data warehouse? What is a data warehouse used for? What

  1. What is the difference between transactional processing systems and decision support systems?
  2. What is a data warehouse?  What is a data warehouse used for?
  3. What is the difference between an enterprise data warehouse and a data mart?
  4. What is a multidimensional database?

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