Answer:
B. Extract-transform-load
Explanation:
Extract, transform, load (ETL) and Extract, load, transform (E-LT) are the two main approaches used to ensure the success of a data warehouse system.
An extract-transform-load (ETL) process is used to pull data from disparate data sources to populate and maintain the data warehouse. An effective extract-transform-load (ETL) process is essential to ensure data warehouse success.
Option A (Visual Basic) is an example of programming language.
Answer:
b. extract-transform-load
Explanation:
A data warehouse is a repository of data gathered from other data sources, to provide a medium of central data streaming for data analysis and reporting purposes. It hold data from multiple source, where the data are extracted, transformed and loaded to the data warehouse.
ETL or extract-transform-load is very important for the successful implementation of data warehousing
