What is a data warehouse?
A) A large hardware environment that supports multiple platforms
B) A logical collection of information gathered from many different operational databases to create business intelligence
C) An operational database system used to manage and analyze transactional data
D) An accumulation of all operational data stored by large organizations

Question

Quizplus · Accepted Answer

A data warehouse is a type of database that is specifically designed for business intelligence purposes. It is a large, integrated collection of data from multiple sources that is used to support decision-making activities. Unlike operational databases, which are designed for day-to-day transaction processing, data warehouses are optimized for efficient data retrieval and analysis.

What Is a Data Warehouse