Primary keys - the basics
Single-column primary keys
Multicolumn primary keys
Auto-increment columns and sequences
Revision
27. Revision #1

Instruction

Wow! We’re pretty much done in this part of the course. Before we let you go, we've got a short review for you. Are you ready?

Exercise

Let's get started with the review. Use the ERD diagram below to create the proper table.

The festival table

Stuck? Here's a hint!

Type

CREATE TABLE festival (
    code char(8) PRIMARY KEY,
    name varchar(20),
    start timestamp,
    end timestamp,
    participants int,
    score decimal(2,1)
);

Console

Code editor

Result

TableConsole