Question
Which of the following stores historical data for analysis?
More Data Warehousing Questions
- Fact constellation schema is best described as:
- Which of these is NOT an ensemble method?
- Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
- What does "drill-down" operation in OLAP do?
- Which of the following stores historical data for analysis?
- Which of the following is NOT a characteristic of OLAP systems?
- What is the main purpose of a data mart?
- ETL stands for:
- A snowflake schema differs from a star schema mainly because:
- A Fact Constellation Schema is also called:
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