Deals Of The Week - hours only!Up to 80% off on all courses and bundles.-Close
Your first table
Entity Relationship Diagrams (ERD)
10. Example of ERD
DROP - how to remove a table


Amazing! You learn quickly!

The SQL statements (CREATE TABLE) are, of course, used by developers when they work with databases. However, it's hard to understand such code when you work with a lot of complicated tables. Sometimes you just want to have a general idea of our tables without studying the tables in detail. We may then use the so-called Entity Relationship Diagrams (commonly abbreviated to ERD). They look like this:

The exhibit table

As you can see, they are much easier to understand at first glance than SQL statements.


Click Next exercise to proceed