Database Concepts Quiz

What is the best way to enter large amounts of data into a database?

• Typing it in manually

• Printing and scanning the information

• Using a word processor

• Importing it from other sources

What does scalability in a database mean?

• The ability to store physical items

• The process of adding more physical hard drives for data storage

• The ability to handle a large amount of data efficiently

• The ability to access social media

What does a relationship in a database do?

• Connects two entities

• Stores data

• Deletes data

• Creates a new database

What is a database?

• A highly organized, multi-table digital storage system

• A social media platform

• A place to store physical items

• A type of computer game

How does a document database store data?

• In rows and columns

• In word documents

• In spreadsheets

• In flexible documents

What is a primary key in a database?

• A type of data that can be left blank

• A value that can change over time

• A unique identifier for each record

• A common name shared by multiple records

What is a relational database?

• A database that stores data in a single table.

• A database that only stores text data.

• A database that keeps data in several connected tables.

• A database that does not use tables at all.

What is non-structured data?

• Data that is always numerical.

• Data that fits neatly into rows and columns.

• Data that doesn't have a clear order or pattern.

• Data that is always textual.

What is a key benefit of using offline databases?

• They are accessible from anywhere.

• They are managed by cloud providers.

• They offer 99.9% availability.

• They reduce the risk of cyber attacks.

Why are key-value databases useful for tasks that need quick data access?

• They use complex data models

• They cannot grow quickly

• They are difficult to understand

• They have a flexible structure