Your First Table
CREATE TABLE basics
Entity Relationship Diagrams (ERD)
Summary
Instruction
Amazing! You are a fast learner!
The SQL statements (CREATE TABLE) are, of course, used by developers when they work with databases. However, it's difficult to understand this code when you are working with a lot of complicated tables. Sometimes, you just want to have a general idea of your tables without studying them in detail. In such a case, you may use an Entity Relationship Diagram (commonly abbreviated to ERD). ERDs look like this:
As you can see, they are much easier to understand at first glance than SQL statements are.
Exercise
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