Evolution of Decision Support

• 60’s: Batch reports
  ›hard to find and analyze information
  ›inflexible and expensive, reprogram every request
  
• 70’s: Terminal based DSS and EIS
  
• 80’s: Desktop data access and analysis tools
  ›query tools, spreadsheets, GUIs
  ›easy to use, but access only operational db
  
• 90’s: Data warehousing with integrated OLAP engines and tools