Question
Which type of slowly changing dimension (SC
- D preserves full history by adding a new row for each change and using effective date ranges?
More Data Warehousing Questions
- Data cleansing is primarily concerned with:
- Which process loads data from multiple sources into a data warehouse?
- Which schema uses multiple fact tables sharing dimension tables?
- Which of the following is NOT a common OLAP operation?
- In ETL pipelines, which step is primarily responsible for resolving inconsistencies and correcting data quality issues (e.g., missing values, inconsistent ...
- Which SQL function returns the total number of rows in a table?
- Which type of schema normalizes dimension tables to reduce redundancy?
- Which type of schema normalizes dimension tables into multiple related tables?
- Which of the following is a real-time data warehouse application?
- In a data cube, what does "slice" operation do?
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