Which of the following database components stores metadata regarding the database’s own configuration, setup, and...

A data dictionary stores metadata about a database, including definitions, structure, tables, fields, relationships, formats, constraints, and sometimes configuration-related information about database objects. It helps users, developers, administrators, and auditors understand what data exist, how they are organized, and how they should be interpreted. A database table stores actual data records, not the overall metadata repository. Program files contain application or system logic. A backup system stores copies of data for recovery, not the definitions and metadata of the database. Internal auditors use data dictionaries when validating data extracts, performing analytics, reviewing system interfaces, and assessing data governance. Because it stores metadata about database objects and structure, Option D is correct.