Executive Information Systems and The Data Warehouse

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Executive Information
Systems and The Data
Warehouse
EIS-The Promise

EIS is one of the most potent forms of
computing
 Through EIS, the executive analyst can
pinpoint problems and detect trends that are
of vital importance to management.
 EIS processing is designed to help the
executive make decisions.
 Some of the typical uses of EIS are :





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Trend analysis and detection
Key ratio indicator measurement and tracking
Drill-down analysis
Problem monitoring
Competitive analysis
Key performance Indicator monitoring
A Simple Example
Drill-Down Anaysis
Example 2
Example 1
Supporting the Drill-Down
Process
 How
to supporting the drill down
process ?
The Data Warehouse as a
Basis for EIS

With a data warehouse, the EIS analyst does
not have to worry about the :






Searching for the definitive source of data
Creating special extract programs from existing
systems
Dealing with unintegrated data
Compiling and linking detailded and summary data
and the linkage between the two
Finding an appropriate time basis of data
Management constantly changing its mind about
what needs to be looked at next
Where to turn

The EIS function uses the following



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The data warehouse for a readily available supply
of summary data
The structure of the data warehouse to support the
drill-down process
Data warehouse meta data for the DSS analyst to
plan how the EIS system is built
The historical content of the data warehouse to
support the trend analysis that management
wishes to see
The integrated data found throughout the data
warehouse to look at data across the corporation
Event Mapping
 What
is event mapping ?
 Why using event mapping ?
 Example
Detailed data and EIS
 Is
so wrong with keeping all the detail in
the world around when building a
DSS/EIS environment ?
 Keep only summary data in the EIS
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