Final answer:
A tool that allows users to access and transform data stored in tables is a database.
Step-by-step explanation:
A tool that allows users to access the data stored in various tables and transform it into information is a database. Databases are electronic systems that store and organize data in a structured manner, allowing users to retrieve and manipulate the data as needed. They provide a user interface and query software that enables users to search, sort, and analyze data. An example of a popular database software is Microsoft Access.