Quick Check 25.1 – Data 100, Summer 2020
* Required
A data warehouse ____ and organizes historical data from ____ source(s).
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collects, multiple
distributes, a single
gathers, large
collects, water
Which of the following are true regarding Operational Data Stores and Data Warehouses?
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Operational Data Stores capture data over long periods of time, while Data Warehouse captures the "now".
Operational Data Stores capture the "now", while Data Warehouse captures data over long periods of time.
Operational Data Stores serve live ongoing business operations.
Operational Data Stores have the same schema for all of its different databases across an organization.
Required
The acronym ETL stands for:
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extra, transform, load
extract, transform, load
extract, transition, load
extra, transform, look
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