Question
Which type of schema normalizes dimension tables to reduce redundancy?
More Data Warehousing Questions
- Which type of OLAP allows operations on pre-aggregated data cubes?
- 'Data modelling' means:
- Which schema in data warehousing uses a central fact table connected to dimension tables?
- Data cleansing is primarily concerned with:
- Which SQL clause is used to filter records after aggregation?
- What does "drill-down" operation in OLAP do?
- 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 OLAP operation allows drilling down into more detailed data?
- What is a data mart?
- In a data warehouse, a fact table typically contains:
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