Which of the following best describes an extract-transform-load (ETL)process?
A)It is a smaller version of a data warehouse-scaled down to meet the specific needs of a business unit.
B)It contains data collections that are enormous and complex.
C)It is a simple but highly useful way to organize structured data into collections of two-dimensional tables.
D)It is used to pull data from disparate data sources to populate and maintain the data warehouse.

Question

Quizplus · Accepted Answer

ETL is a process used to extract data from various sources, transform it into a format that is suitable for analysis, and load it into a data warehouse for further processing. It is commonly used to merge data from different databases or applications into a single, coherent data store.

Which of the Following Best Describes an Extract-Transform-Load (ETL)process