Project in MySQL Skill Tree

Modify Primary Key of Countrylanguage Table

Beginner

In this project, you will learn how to modify the primary key of the countrylanguage table in a MySQL database. The initial primary key was based solely on the CountryCode column, but for better organization, you will create a composite primary key using both the CountryCode and Language columns.

databasemysql

Teacher

labby
Labby
Labby is the LabEx teacher.