Dev.to
7/22/2026

The original title is "Building a School Database with PostgreSQL: A Beginner-Friendly SQL Project"
Original: Building a School Database with PostgreSQL: A Beginner-Friendly SQL Project
Short summary
A beginner-friendly walkthrough of building a school database called Greenwood Academy using PostgreSQL. Covers schema creation with CREATE TABLE, foreign key relationships, ALTER TABLE modifications, and multi-row INSERT statements. The project models students, subjects, and exam results to practice core SQL concepts including DDL, DML, filtering, and conditional logic.
- •Step-by-step PostgreSQL schema creation for a school database
- •Covers DDL, DML, foreign keys, ALTER TABLE, and INSERT statements
- •Beginner-oriented with code examples for each concept
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