MODULE 04 / LESSON 16● READY TO LEARN

Entity Relationship Diagrams

Hands-on tutorial

01 / THE CONCEPT

Understand the idea

In this lesson, explore entity relationship diagrams. Study the SQL example, run it in the lab when applicable, and consider how it relates to real database systems.

02 / SQL EXAMPLE

◉ example.sqlSQL

CREATE TABLE departments(id INTEGER PRIMARY KEY,name TEXT UNIQUE);

Try in SQL Lab ↗

03 / KNOWLEDGE CHECK

Check your understanding

Which statement best describes entity relationship diagrams?

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