Microsoft Azure Data Fundamentals — Question 23

You have an e-commerce application that reads and writes data to an Azure SQL database.
Which type of processing does the application use?

Answer options

• A. stream processing
• B. batch processing
• C. Online Analytical Processing (OLAP)
• D. Online Transaction Processing (OLTP)

Correct answer: D

Explanation

The correct answer is D, Online Transaction Processing (OLTP), as it is designed for handling a large number of short online transactions, typical in e-commerce applications. Options A and B refer to processing methods that handle data differently, often in bulk or real-time streams, while option C focuses on complex queries and data analysis rather than transactional operations.