Question

A retail analyst is inventorying the company's data assets to decide what can be loaded directly into a relational database without additional processing. Which of the following assets is already in a structured format that fits cleanly into rows and columns?

Accepted Answer

A relational export of point-of-sale transactions with fixed columns for date, item ID, quantity, and price

Answer

A collection of scanned customer receipt images stored as PDFs

Answer

A folder of recorded customer service phone calls saved as audio files

Answer

A stream of social media posts containing free-text comments and emojis