Question
Which of these is not a typical data warehouse characteristic?
More Data Warehousing Questions
- 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 rotates the data axes to provide an alternative presentation?
- Which SQL clause is used to filter records after aggregation?
- Which of the following stores historical data for analysis?
- Which of the following is a real-time data warehouse application?
- What does "drill-down" operation in OLAP do?
- Which of these is NOT an ensemble method?
- What is meant by 'cardinality' in data modeling?
- Which type of slowly changing dimension (SCD) preserves full history by adding a new row for each change and using effective date ranges?
- Which process ensures data in a data warehouse is consistent and clean?
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