Data Warehousing & Business Intelligence Warehouse Practice Questions
The free Data Warehousing & Business Intelligence questions that deal with warehouse, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #3
Which of the following best describes the purpose of a data warehouse?
Correct answer: D
Explanation
A data warehouse is specifically designed for analytical processing and helps to support decision-making.
Question #5
What is a star schema in a data warehouse?
Correct answer: A
Explanation
A star schema is a type of database schema used in data warehousing that organizes data into fact and dimension tables.
Question #8
In a data warehouse, what is the purpose of staging tables?
Correct answer: C
Explanation
Staging tables temporarily hold raw data before it is transformed and loaded into the data warehouse.
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