2.8. EXERCISES
Match the columns:
a.nonvolatile data
dual data granularity
dependent data mart
disparate data
decision support
data staging
data mining
metadata
operational systems
internal data
roadmap for users
subject-oriented
knowledge discovery
private spreadsheets
application flavor
because of multiple sources
details and summary
read-only
workbench for data integration
data from main data warehouse
A data warehouse is subject-oriented. What would be the major critical business subjects for the following companies?
an international manufacturing company
a local community bank
a domestic hotel chain
You are the data analyst on the project team building a data warehouse for an insurance company. List the possible data sources from which you will bring the data into your data warehouse. State your assumptions.
For an airlines company, identify three operational applications that would feed into the data warehouse. What would be the data load and refresh cycles?
Prepare a table showing all the potential users and information delivery methods for a data warehouse supporting a large national grocery chain.
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