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Relational foundationsLesson 3 of 12
Primary & Foreign Keys
24 minlesson
Course journey25%
Learning objectives
What you'll understand
Understand the main ideas behind Primary & Foreign Keys.
Connect the lesson to the wider course module.
Identify the concepts worth revising later.
Lesson
Lesson overview
Primary & Foreign Keys is part of Relational foundations. This lesson develops the ideas introduced in the surrounding course material and prepares you for later practice and assessment.
What to focus on
Pay attention to the underlying reasoning rather than memorizing individual steps. Use the course examples and practice activities to test whether you can explain the concept independently.
Key takeaways
Understand the purpose of Primary & Foreign Keys.
Connect it with Relational foundations.
Use practice to reinforce the concept.