Question
Which of the following best describes a Data Warehouse?
More Data Warehousing Questions
- 'Data modelling' means:
- A star schema in a data warehouse consists of:
- Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
- Which type of schema uses a central fact table connected to dimension tables?
- What is a 'star schema' in data warehouse design?
- Which of the following is a real-time data warehouse application?
- Surrogate keys are used in data warehouses because:
- Which OLAP operation allows drilling down into more detailed data?
- Which OLAP operation summarizes data along a dimension?
- In a data warehouse, which type of table stores quantitative data for analysis?
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