As a data analyst, mastering database design and querying is essential. In this article, I will walk you through how I built and queried a database schema for Greenwood Academy using PostgreSQL . The article covers everything from defining or changing the structure of database objects using the...
Source: [Dev.to](https://dev.to/scarbyte/building-and-querying-a-database-a-practical-sql-guide-5fpn)