Which of the following is NOT a reason an organization would use a data warehouse or data mart rather than a database?
A) A database's information is organized in a way that makes it easy to answer a query, but data warehouses and data marts are faster.
B) Data warehouses and data marts are read-only so extra processing of transactions is not necessary.
C) Databases access single records at a time, but data warehouses and data marts can access large groups of related records.
D) Queries may degrade the performance of a database since they are potentially processing millions of transactions every day.

Question

Quizplus · Accepted Answer

This statement is incorrect as databases can be optimized for fast performance just like data warehouses and data marts. In fact, databases may be faster in some cases as they are designed for transaction processing while data warehouses and data marts are designed for analytics and reporting.

Which of the Following Is NOT a Reason an Organization