The process of ensuring that data is consistent, reliable, and usable during the ETL process is known as data _______.
- Aggregation
- Disintegration
- Homogenization
- Validation
Data "Validation" in the ETL process involves checking and verifying data for consistency, accuracy, and reliability. It ensures that data conforms to predefined rules and standards, making it suitable for analysis and reporting in a data warehouse. This step is critical for maintaining data quality.
Loading...
Related Quiz
- Which BI functionality allows users to ask and answer their own questions without involving IT to create a new report?
- You notice that certain queries are running slower over time in your data warehouse. Which strategy might help improve their performance without changing the query itself?
- Which advanced security measure involves analyzing patterns of user behavior to detect potentially malicious activities in a data warehouse?
- In ETL performance optimization, why might partitioning be used on large datasets during the extraction phase?
- In the context of databases, what does metadata typically provide information about?