The "islands of data" problem in the 1980s describes the phenomenon of unconnected data being stored in numerous locations within an organization.
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Q4: Subject oriented databases for data warehousing are
Q5: The ETL process in data warehousing usually
Q6: OLTP systems are designed to handle ad
Q7: One way an operational data store differs
Q8: Organizations seldom devote a lot of effort
Q10: A well-designed data warehouse means that user
Q11: Moving the data into a data warehouse
Q12: Two-tier data warehouse/BI infrastructures offer organizations more
Q13: Bill Inmon advocates the data mart bus
Q14: The hub-and-spoke data warehouse model uses a
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