Question
A data cube allows analysis by:
More Data Warehousing Questions
- A surrogate key is:
- What is meant by 'cardinality' in data modeling?
- Which operation in OLAP allows selecting a single dimension from a cube?
- What is 'data warehousing' and how does it differ from a traditional OLTP database?
- Which type of OLAP allows operations on pre-aggregated data cubes?
- Which type of OLAP allows analysis of multidimensional data stored in relational databases?
- Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
- Which process loads data from multiple sources into a data warehouse?
- In a star schema, what is the main advantage of using surrogate keys in fact tables?
- What does "drill-down" operation in OLAP do?
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