Question
Which of the following is a key process in ETL?
More Data Warehousing Questions
- In a data warehouse, a fact table typically contains:
- A snowflake schema is different from a star schema because:
- Which of the following stores historical data for analysis?
- ETL stands for:
- Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
- A data cube allows analysis by:
- Which type of schema uses a central fact table connected to dimension tables?
- Which type of schema normalizes dimension tables to reduce redundancy?
- Which analytics type is focused on predicting future outcomes?
- What is a data mart?
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