Which of the following does not describe a data warehouse?

(a) Subject-oriented

(b) Integrated

(c) Time-variant

(d) Updateable

Updateable does not describe a data warehouse.

Data Warehousing is a process involving Online Transaction Processing (OLTP) systems to generate a large amount of data required to create a data warehouse. It is used for generating analytical data used by decision makers as well as planners in developing sound strategies