Question

What is the ETL process, and why is it critical for data warehousing?

a.

ETL stands for Extraction, Transformation, and Layering, and it is not critical for data warehousing.

b.

ETL is not relevant for data warehousing.

c.

ETL is essential for data warehousing as it prepares and loads data into the data warehouse.

d.

ETL is optional and not needed for data warehousing.

Posted under Data Warehousing and OLAP

Answer: (c).ETL is essential for data warehousing as it prepares and loads data into the data warehouse. Explanation:The ETL process is essential for data warehousing as it prepares and loads data into the data warehouse, ensuring data accuracy and integration.

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