A datawarehouse is updated on a regular basis using _________a.Data Integrationb.data cleaningc.ETL Processd.Data Transformation
Question
A datawarehouse is updated on a regular basis using _________a.Data Integrationb.data cleaningc.ETL Processd.Data Transformation
Solution
The answer is c. ETL Process.
ETL stands for Extract, Transform, Load. It is a process that involves:
- Extracting data from different source systems.
- Transforming it to fit operational needs, which can include cleansing, aggregating, and integrating data.
- Loading it into the end target, which can be a database, data mart, or a data warehouse.
So, a data warehouse is updated on a regular basis using the ETL process.
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