•Reasons for the growth of decision-making information systems
–People need to analyse large amounts of information
–People must make decisions quickly
–People must apply sophisticated analysis techniques, such as modeling and forecasting, to make good decisions
–People must protect the corporate asset of organizational information
Transaction processing system - the basic business system that
serves the operational level (analysts) in an organization
Onlines transaction processing (OLTP) – the capturing of
transaction and event information using technology to
(1) process the information according to defined business rules,
(2) store the information,
(3) update existing information to reflect the new information
Onlines analytical processing (OLAP) – the manipulation of
information to create business intelligence in support of strategic
decision making.
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