Write a short note on data dictionary?

Answer 1

Data Dictionary means that data about data i.e, meta data.

And

Meta Data means that the properties about your data.

Example: - By Right clicking on any file or folder and selecting the properties option. and the properties dialog box will open on your screen as properties is called Meta Data.

Answer 2

A data dictionary is a centralized repository that provides detailed descriptions of data elements within a database or information system. It includes metadata such as data types, definitions, relationships, and constraints to help users understand the structure and meaning of the data. Data dictionaries are essential for data management, data integration, and maintaining data quality.