Question
What is a data mart?
More Data Warehousing Questions
- What does "drill-down" operation in OLAP do?
- Which of the following is used to maintain information about the structure of a data warehouse?
- A surrogate key is:
- Which SQL function returns the total number of rows in a table?
- A Fact Constellation Schema is also called:
- Which operation in OLAP allows selecting a single dimension from a cube?
- What is the primary function of ETL in a data warehouse environment?
- In the context of a relational database, which of the following is NOT a characteristic of a candidate key?
- Which type of OLAP allows operations on pre-aggregated data cubes?
- Which OLAP operation rotates the data axes to provide an alternative presentation?
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