Questions

Importance of a Primary Key (2 marks)

What might be the consequences of not having a primary key in a database table?

How do relational databases reduce data inconsistency and data redundancy?

Describe the role of a foreign key in a relational database.

What is the purpose of a primary key in a relational database table?

Identify and explain two main concepts of a relational database.

Explain what is meant by the term ‘database’.

Explain how automatic software updates contribute to cybersecurity.

Discuss the importance of using email confirmations as a security measure.

Describe how CAPTCHA can help prevent automated attacks on a website.

Explain two methods of biometric security that can be used on mobile devices.