Database Quiz

What is the main purpose of a database?

• To store and manage unrelated data

• To meet the information needs of an organization

• To support social media activities

• To create presentations

What is the disadvantage of data redundancy?

• It leads to duplication of data

• It causes a change in application programs

• It results in data integrity problems

• It allows synchronized access

What does IoT stand for?

• Internet of Technology

• Internet of Things

• Internet of Thoughts

• Internet of Toys

Which of the following is not an example of an IoT device?

• Home Security

• Activity Trackers

• Industrial Security and Safety

• Mobile Phones

What is the difference between IIoT and IoT?

• IoT is used for individual customers, while IIoT is used for commercial industries

• IoT is more expensive than IIoT

• IoT uses low-risk impact applications, while IIoT uses sensitive and precise sensors

• IoT does not include handling industrial processes, while IIoT includes organizations and businesses at a large scale

What is Big Data?

• Large sets of structured or unstructured data that can be compiled, stored, organized, and analyzed

• A concept that refers to a computer's ability to perform tasks and make decisions

• A practice of using interconnected remote servers hosted on the Internet to store, manage, and process information

• A software program used to create spreadsheets

What are the famous AI apps today?

• ChatGPT

• Bing

• Google Bard

• Cloud computing

What is the purpose of an Entity-Relationship Diagram (ERD)?

• To store and manage unrelated data

• To meet the information needs of an organization

• To visualize the logical structure of a database

• To create presentations

What is the purpose of using the EERD model?

• To represent complex relationships between entities

• To reduce database complexity

• To ensure data consistency

• To create presentations

What is the purpose of using supertype/subtype relationships?

• To represent generalization and specialization

• To ensure data consistency

• To reduce database complexity

• To create presentations