Database Concepts Quiz

What is the main purpose of a database?

• To store data in a structured way.

• To perform complex calculations.

• To create visual presentations.

• To send emails.

What is a Database Management System (DBMS)?

• A type of database.

• A program that manages databases.

• A type of data.

• A storage device.

What are the three main database models mentioned?

• Relational, Hierarchical, Network

• SQL, NoSQL, Cloud

• Object-Oriented, Graph, Document

• Flat-file, Indexed, Sequential

Which database model is commonly used in personal computers?

• Hierarchical

• Network

• Relational

• Object-Oriented

What is data redundancy?

• Storing data in multiple locations.

• Deleting unnecessary data.

• Organizing data efficiently.

• Encrypting sensitive data.

What is data inconsistency?

• Data being stored in different formats.

• Data being lost or corrupted.

• Data being difficult to access.

• Data being incomplete.

What is a key field in a database?

• A field that contains sensitive information.

• A field that uniquely identifies a record.

• A field that is used for sorting.

• A field that is automatically generated.

What is a record in a database?

• A single piece of data.

• A collection of related fields.

• A type of data.

• A database program.

What is a field in a database?

• A collection of records.

• A single piece of data within a record.

• A type of database.

• A database management system.

What is a table in a database?

• A single record.

• A collection of records.

• A type of data.

• A database program.