SQL Course (Beginner to Advanced)

This page lists all SQL lessons from beginner basics to advanced concepts. Each topic will link to a detailed blog post.

Beginner Level

1. What is SQL? (Beginner Friendly) 2. Installing MySQL / PostgreSQL 3. Database, Table & Schema Basics 4. Understanding Data Types 5. SELECT, FROM, WHERE (Basic Queries) 6. ORDER BY, LIMIT, DISTINCT 7. INSERT, UPDATE, DELETE 8. SQL Constraints (PK, FK, UNIQUE)

Intermediate Level

9. JOINs (INNER, LEFT, RIGHT, FULL) 10. GROUP BY & Aggregations (SUM, COUNT, AVG) 11. HAVING vs WHERE 12. Subqueries & Nested Queries 13. Views & Materialized Views 14. SQL Functions (String, Date, Math) 15. Indexes & Performance Basics 16. Transactions (BEGIN, COMMIT, ROLLBACK)

Advanced Level

17. Query Optimization & EXPLAIN 18. Partitioning & Sharding in SQL 19. Advanced Indexing (BTREE, HASH, GIN) 20. Stored Procedures & Functions 21. Triggers & Events 22. ACID Deep Dive 23. Deadlocks & Locking Mechanisms 24. Data Modeling & Normalization (1NF, 2NF, 3NF, BCNF)

Real-World SQL Case Studies

25. E-Commerce Database Design 26. Social Media (Followers, Likes, Comments Schema) 27. Banking System (Transactions, Ledger) 28. Analytics Database (Star & Snowflake Schema)

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