✅ SQL Learning Checklist 🛠️📊

📚 Foundations
⦁ What is SQL & RDBMS
⦁ SQL Syntax Basics
⦁ Data Types (INT, VARCHAR, DATE, etc.)
⦁ Creating Databases & Tables

🔍 Data Querying
⦁ SELECT, WHERE, ORDER BY
⦁ DISTINCT & LIMIT
⦁ BETWEEN, IN, LIKE
⦁ Logical Operators (AND, OR, NOT)

🧮 Data Aggregation
⦁ COUNT(), SUM(), AVG(), MIN(), MAX()
⦁ GROUP BY & HAVING

🔗 Joins
⦁ INNER JOIN
⦁ LEFT JOIN
⦁ RIGHT JOIN
⦁ FULL OUTER JOIN
⦁ SELF JOIN

🧱 Table Operations
⦁ INSERT INTO
⦁ UPDATE
⦁ DELETE
⦁ ALTER TABLE (ADD/DROP COLUMN)
⦁ DROP TABLE

⚙️ Advanced SQL
⦁ Subqueries
⦁ CASE WHEN statements
⦁ Window Functions (RANK, ROW_NUMBER, etc.)
⦁ CTEs (Common Table Expressions)
⦁ Views & Indexes

🛡️ Data Integrity & Constraints
⦁ PRIMARY KEY, FOREIGN KEY
⦁ UNIQUE, NOT NULL, CHECK
⦁ DEFAULT Values

📁 Projects to Build
⦁ Sales Report Dashboard (SQL backend)
⦁ Employee Database Management
⦁ E-commerce Order Analysis
⦁ Customer Segmentation with SQL

💡 Practice Platforms:
⦁ LeetCode (SQL)
⦁ HackerRank
⦁ Mode Analytics
⦁ SQLZoo

💬 Tap ❤️ for more!