Question

A data warehouse is one or more very large databases containing both detailed and summarized data for a number of years and from numerous sources used for analysis rather than transaction processing. True False

Answer 1

Answer:

True

Explanation:

Data warehouse involves combining different data/ information which is heterogeneous from various sources in order to have a comprehensive/large data base, it usually involves analytical reporting as well as decision making. For instance customer information from the point of sales system of the firm can be found in the database.

It should be noted that data warehouse is one or more very large databases containing both detailed and summarized data for a number of years and from numerous sources used for analysis rather than transaction processing.