Question
In a star schema, what is the main advantage of using surrogate keys in fact tables?
More Data Warehousing Questions
- ETL stands for:
- What is a data mart?
- Which of the following is used to maintain information about the structure of a data warehouse?
- Which of these is NOT an ensemble method?
- Which of the following is NOT a characteristic of OLAP systems?
- Which type of schema normalizes dimension tables into multiple related tables?
- What is the primary function of ETL in a data warehouse environment?
- In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
- Fact constellation schema is best described as:
- A surrogate key is:
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