This repository contains concise yet comprehensive notes on two fundamental database concepts:

1. Database Normalization (1NF, 2NF, 3NF, BCNF)
2. ACID Transaction Properties

1. Normalization

   • First to Boyce-Codd Normal Forms
   • Practical examples with table transformations

2. ACID Properties

   • Atomicity, Consistency, Isolation, Durability
   • Real-world transaction examples

✔ Clean Markdown formatting
✔ SQL examples for each concept
✔ Problem-Solution approach
✔ Quick-reference summary tables

1. Clone this repository
2. Open the .md files in any Markdown viewer
3. Use as:
   • Study guide for database exams
   • Interview preparation resource
   • Quick reference for DB design

• Database design patterns
• Transaction isolation levels
• SQL optimization techniques