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Tuesday, February 8, 2011
Group Tasks @ 3:38 PM
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~Group Tasks~


Pages 112-113 of textbook

Group Task: Software Tools in Data Flow Diagram of School Timetable
  • SQL Server – Creates the initial school timetable
  • Local Area Network (LAN)- Generates students, teachers timetables and executes queries
  • SAS Timetable Module- Locates teacher or student and executes a timetable query
Group Task: External Entities in Context Diagram (Fig. 2.4)
  • Vehicle Inspectors- Source
  • Customers- Sink
  • Police Departments- Source & Sink
  • Other Gov. Departments- Source & Sink
  • Vehicle Dealers- Source
  • Insurance Companies- Source