文档介绍：Management Information Systems Chapter petitive Advantage with Information Systems for Decision Making
Management Information Systems
Competitive Advantage with Information Systems for Decision Making
Chapter 9
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This Could Happen to You
How can information systems improve decision making?
Business processes and decision making are closely allied
IS petitive strategy by adding value to or reducing costs of processes
IS adds value or reduces costs by improving quality of decisions
Can an information system assist in the selection of a vendor based on past performance?
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Study Questions
Q11>. How big is an exabyte, and why does it matter?
Q2. How do business intelligence systems petitive advantages?
Q3. What problems do operational data pose for BI systems?
Q4. What are the purpose ponents of a data warehouse?
Q5. What is a data mart, and how does it differ from a data warehouse?
Q6. What are the characteristics of data-mining systems?
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Q1. How Big Is an Exabyte?
Figure 9-1
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Why Does It Matter?
Storage capacity is increasing as cost decreases
Nearly unlimited
Over exabytes of data have been created
Exponential growth both inside and outside anizations
Can be used to improve decision making
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硬碟储存空间
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Q2. Business Intelligence (BI) Systems
Provide information for improving decision making
Primary systems:
Reporting systems
Data-mining syst