Relationship Keys Quiz

5 questions • Pass: 70% • +25 pts

Quiz covering Transform and Load the Data

Relationship Keys Quiz

5 questions | Pass: 70% | Earn 25 points

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

  1. 1

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

  2. 2

    When creating a relationship between two tables, what is the role of a foreign key?

  3. 3

    Which of the following describes a 'one-to-many' relationship?

  4. 4

    Why would you use a junction table in a database schema?

  5. 5

    During data transformation, you notice a foreign key in the 'Orders' table that refers to a non-existent 'Customer_ID' in the 'Customers' table. What does this indicate?