_______________ can be subdivided into ________________ that store subsets of data.
A) Databases, data warehouses
B) Data warehouses, data marts
C) Databases, data marts
D) Data warehouses, databases

Question

Quizplus · Accepted Answer

B. Data warehouses can be subdivided into data marts that store subsets of data.
A data warehouse is a large, centralized repository of integrated data collected from various sources. Its primary purpose is to support analytical reporting, structured and/or ad hoc queries, and decision making. Data warehouses store historical data by consolidating data from different sources into a single, comprehensive database.
Data marts, on the other hand, are subsets of a data warehouse. They are designed to cater to the specific needs of a particular group of users, such as a department within an organization, by focusing on a specific area of data. Data marts contain a segment of the data stored in the data warehouse and are optimized for a particular set of data analysis and reporting tasks. They are smaller, more focused, and can be tailored to the specific needs of their users, providing quicker access to relevant data.
Therefore, the statement "Data warehouses can be subdivided into data marts that store subsets of data" is accurate, making option B the correct answer.

_______________ Can Be Subdivided into ________________ That Store Subsets of Data

_ Can Be Subdivided into __ That Store Subsets of Data