📚 My SQL Learning Journey

Hi! I'm Anitha. This repository contains my beginner SQL practice projects. I learned SQL step by step using SQLite in GitHub Codespaces.

🗂️ What's Inside

File	What I Learned
library.sql	Level 1 – Creating tables, inserting data, SELECT
level2.sql	Level 2 – UPDATE, DELETE, WHERE
level3.sql	Level 3 – JOIN (connecting two tables)
level4.sql	Level 4 – Math: SUM, COUNT, MAX, GROUP BY
boss.sql	Level 5 – Final Boss Battle (used everything!)

▶️ How to Run

1. Open this repo in GitHub Codespaces.
2. Open the terminal (the black box).
3. Run any file like this:

sqlite3 boss.db < boss.sql

🎯 What I Can Do Now

• Create tables
• Insert, update, and delete data
• Filter with WHERE
• Join two tables
• Do math with SUM, COUNT, MAX, and GROUP BY

🛠️ Tools

• SQLite
• GitHub Codespaces