Question
What is the result of SELECT COALESCE(NULL, NULL, 5, 10);?
More Data Warehousing Questions
- A surrogate key is:
- Which of the following is NOT a common OLAP operation?
- A data cube allows analysis by:
- Data warehouse metadata primarily describes:
- Which OLAP operation allows drilling down into more detailed data?
- Which type of schema normalizes dimension tables to reduce redundancy?
- Which of the following best describes the primary function of a database index?
- Which SQL keyword is used to combine results from two queries and remove duplicates?
- Which type of schema normalizes dimension tables into multiple related tables?
- Which analytics type is focused on predicting future outcomes?
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