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
- A surrogate key is:
- Which of these is NOT an ensemble method?
- Which process ensures data in a data warehouse is consistent and clean?
- What is the primary function of ETL in a data warehouse environment?
- What does "drill-down" operation in OLAP do?
- In a data cube, what does "slice" operation do?
- Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
- In ETL pipelines, which step is primarily responsible for resolving inconsistencies and correcting data quality issues (e.g., missing values, inconsistent ...
- A Fact Constellation Schema is also called:
- Which clause is used to sort the results in SQL?
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
