Database Management System

A Python + PostgreSQL application with a Tkinter GUI for managing student and exam data.

Features

• CRUD operations (insert, update, delete, query)
• Transaction handling (commit/rollback)
• GUI interface using Tkinter
• Relational database design (PostgreSQL)

Tech Stack

• Python (psycopg2, Tkinter)
• PostgreSQL

How to run

1. Set up PostgreSQL database
2. Run schema.sql and sample_data.sql
3. Run gui.py