Introduction to Information Technology20795 marksIntroduction to Data Warehousing, Data mining, and BigData
Define the terms data warehousing, data mining, and big data.
Define the terms data warehousing, data mining, and big data. [5]
A data warehouse is a collection of data from various sources stored under a common schema. It stores both current and historical data in one single place and is primarily used for analysis, reporting, and data mining purposes. Key characteristics: - It is separated from the operational database ...