🚀 Complete SQL Roadmap 🗄🔥

🧠 STEP 1: Learn SQL Basics
✔ What is SQL?
✔ Databases & Tables
✔ SELECT Statement
✔ WHERE Clause
✔ ORDER BY

🛠 Databases to Practice:
✔ MySQL
✔ PostgreSQL
✔ SQL Server

📊 STEP 2: Learn Filtering & Aggregation
✔ DISTINCT
✔ LIMIT & TOP
✔ COUNT, SUM, AVG
✔ MIN & MAX
✔ GROUP BY & HAVING

⚡ STEP 3: Master SQL JOINS
✔ INNER JOIN
✔ LEFT JOIN
✔ RIGHT JOIN
✔ FULL JOIN
✔ SELF JOIN

🛠 Concepts to Learn:
✔ Primary Key
✔ Foreign Key
✔ Relationships

📈 STEP 4: Learn Advanced SQL
✔ Subqueries
✔ Common Table Expressions (CTEs)
✔ CASE WHEN
✔ UNION & UNION ALL
✔ EXISTS & IN

🔥 STEP 5: Learn Window Functions
✔ ROW_NUMBER()
✔ RANK()
✔ DENSE_RANK()
✔ LEAD() & LAG()
✔ PARTITION BY

🧠 STEP 6: Learn Database Design
✔ Normalization
✔ Schema Design
✔ Indexing
✔ Constraints
✔ Data Integrity

☁️ STEP 7: Learn SQL Optimization
✔ Query Optimization
✔ Execution Plans
✔ Index Optimization
✔ Performance Tuning

🛠 Tools to Learn:
✔ DBeaver
✔ pgAdmin
✔ MySQL Workbench

📂 STEP 8: Build Real SQL Projects
✔ Sales Database Analysis
✔ Employee Management System
✔ E-commerce Database
✔ Customer Analytics
✔ Inventory Management

💡 SQL Notes: https://whatsapp.com/channel/0029VbCyzS02ZjCwoShXXc2j

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