Practice Data Warehousing Questions and Answers
- In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?
- Which of the following best describes the primary function of a database index?
- Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
- Which of the following best defines the concept of the "Internet of Things" (IoT)?
- Which analytics type is focused on predicting future outcomes?
- What is meant by 'cardinality' in data modeling?
- A surrogate key is:
- Which SQL clause is used to summarize data?
- Data cleansing is primarily concerned with:
- Which of the following best describes a fact constellation schema in a data warehouse?
- In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
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