The correct answer is: A. Database
A database is a collection of data that is organized so that it can be easily accessed, managed, and updated. It is a single unit that contains a variety of different record types.
A table is a data structure that stores data in rows and columns. It is a subset of a database.
A record is a single row in a table. It contains all of the data for a single entity, such as a customer or product.
A flat file is a file that contains data in a tabular format. It is not a database.
None of the above is not a correct answer.