Question

DBMS creates a file that contains description about the

data stored in the database.​

Answer 1

Answer:

A RDBMS maintains a description of all the data that it contains, information about every relation and index that it contains. This information is stored in a collection of relations maintained by the system called metadata.

Answer 2

Answer:

Data dictionary

The database schema along with various constraints on the data is stored by DBMS in a database catalog or data dictionary, called meta-data. A meta-data is data about the data.