Creating Greenwood academy database is essential for managing the students, subject and exam results efficiently. PostgreSQL, a powerful open-source relational database system, offers the perfect foundation for such a project.

The main areas areas in SQL covered in this projects are :

1. DDL (Data Definition Language)

DDL commands define, modify, and change the physical structure of database objects like tables and schemas.

The first step is to create a greenwood academy schema using the create command.