Question

A data dictionary is a special file that contains?

(a) The names of all fields in all files

(b) The data types of all fields in all files

(c) The widths of all fields in all files

(d) All of the mentioned

I got this question during an interview.

This question is from Organization of Records in Files in portion Storage and File Structures of Database Management

Answer 1

Right answer is (d) All of the mentioned

Easiest explanation - The data dictionary is structured in tables and views, just like other database data.