Question
Which type of slowly changing dimension (SC
- D preserves full history by adding a new row for each change and using effective date ranges?
More Data Warehousing Questions
- Which of the following is NOT a characteristic of OLAP systems?
- In the context of a relational database, which of the following is NOT a characteristic of a candidate key?
- A star schema in a data warehouse consists of:
- A Fact Constellation Schema is also called:
- Surrogate keys are used in data warehouses because:
- Which OLAP operation rotates the data axes to provide an alternative presentation?
- Which type of OLAP allows analysis of multidimensional data stored in relational databases?
- Which of these is NOT an ensemble method?
- Which SQL keyword is used to combine results from two queries and remove duplicates?
- Data warehouse metadata primarily describes:
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