Which of the following is true for data warehouses?
A) Data are stored in a data warehouse database using a data warehouse DBMS.
B) Data warehouses are prohibited from purchasing data from outside sources.
C) User-generated content applications generate potentially large amounts of data.
D) Purchased data is more accurate than data collected directly from clients.

Question

Quizplus · Accepted Answer

Data warehouses are databases that store large amounts of data collected from various sources. A data warehouse DBMS is used to manage and organize the data to be easily accessible for reporting and analysis purposes.

Answer: C
 User-generated content such as social media posts, comments, and reviews can generate large amounts of data that can be stored in a data warehouse for analysis.

Answer: D
 This statement is false. Purchased data can be just as inaccurate as data collected directly from clients. It's important to ensure the quality and accuracy of all data regardless of where it comes from.

Which of the Following Is True for Data Warehouses