DWH also known as an enterprise data warehouse (EDW)

store current and historical data in one single place

Extract, transform, load (ETL) and extract, load, transform (E-LT) are the two main approaches used to build a data warehouse system.

Data warehouses – McqOptions

1.	Data warehouses
A.	DWH also known as an enterprise data warehouse (EDW)
B.	store current and historical data in one single place
C.	Extract, transform, load (ETL) and extract, load, transform (E-LT) are the two main approaches used to build a data warehouse system.
D.	All above are true
Answer» E.

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