ITM 100 Lecture Notes - Lecture 2: Transaction Processing System, Performance Indicator, Decision Support System

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 100
• Professor: Debashish Roy

Document Summary

The value of information is its ability to lower a company"s handicap. Operational decisions are seen as structured decisions arise in situations where established processes offer potential solutions. At the strategic level, managers develop overall business strategies, goals, and objectives, as part of the company"s strategic plan. Process data according to defined business rules, 2. Update existing data to reflect the new data entered. Online analytical processing (olap: analysis of summarized info sourced from transaction processing systems data, and sometimes external info from outside industry sources, to create business intelligence in support of analytical and strategic decision making. Business intelligence is a broad, general term describing info that people use to support their analytical and strategic decision- making efforts. Consolidation involves sum of info and features simple roll-ups to complex groupings of interrelated info. Drill-down allows users to view details of info (can view monthly, weekly, daily, or even hourly information represents drill-down capability)