A business wants to set up a database to store customer and order information. They have decided to use a relational database. Which of the following is the main benefit of using a relational database?
A. The data can be saved as a flat file.
B. The data can be stored as unstructured data.
C. The data can be organized into separate tables that are related to each other.
D. The data is stored as a single file for quick retrieval.