Types of Information Systems

• Database Management Systems

  • Concerned with storage, maintenance, and retrieval of data facts available in the system in explicit form, e.g.,
    • books
      • authors
      • titles
      • call number
    • products
      • orders
      • items
      • sales
    • widgets
      • colour
      • size
      • shape

Items being retrieved are typically attribute- value pairs that either match or do not match

Calculations may be performed on values present in database or on values returned by queries

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