People use term big data when talking about large databases data files data mining data warehousing

People use term big data when talking about large databases. Big data refers to the collection of all the generated digital data and our ability to use it to our advantage across a wide range of areas, including business.

Data warehousing denotes retrieveing and consolidating data periodically from the source systems into a dimensional or normalized data store.

answer; i believe the correct answer is (sales promotion;