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30-day Roadmap plan for SQL covers beginner, intermediate, and advanced topics 😄👇 FREE SQL Guide: https://t.me/CODE_Init Week 1: Beginner Level Day 1-3: Introduction and Setup 1. Day 1: Introduction to SQL, its importance, and various database systems. 2. Day 2: Installing a SQL database (e.g., MySQL, PostgreSQL). 3. Day 3: Setting up a sample database and practicing basic commands. Day 4-7: Basic SQL Queries 4. Day 4: SELECT statement, retrieving data from a single table. 5. Day 5: WHERE clause and filtering data. 6. Day 6: Sorting data with ORDER BY. 7. Day 7: Aggregating data with GROUP BY and using aggregate functions (COUNT, SUM, AVG). Week 2-3: Intermediate Level Day 8-14: Working with Multiple Tables 8. Day 8: Introduction to JOIN operations. 9. Day 9: INNER JOIN and LEFT JOIN. 10. Day 10: RIGHT JOIN and FULL JOIN. 11. Day 11: Subqueries and correlated subqueries. 12. Day 12: Creating and modifying tables with CREATE, ALTER, and DROP. 13. Day 13: INSERT, UPDATE, and DELETE statements. 14. Day 14: Understanding indexes and optimizing queries. Day 15-21: Data Manipulation 15. Day 15: CASE statements for conditional logic. 16. Day 16: Using UNION and UNION ALL. 17. Day 17: Data type conversions (CAST and CONVERT). 18. Day 18: Working with date and time functions. 19. Day 19: String manipulation functions. 20. Day 20: Error handling with TRY...CATCH. 21. Day 21: Practice complex queries and data manipulation tasks. Week 4: Advanced Level Day 22-28: Advanced Topics 22. Day 22: Working with Views. 23. Day 23: Stored Procedures and Functions. 24. Day 24: Triggers and transactions. 25. Day 25: Security and user privileges. 26. Day 26: Performance tuning and query optimization. 27. Day 27: Introduction to NoSQL databases (optional). 28. Day 28: Working with NoSQL databases (optional). Day 29-30: Real-World Applications 29. Day 29: Building a simple application that uses SQL. 30. Day 30: Final review and practice, explore advanced topics in depth, or work on a personal project. Remember to practice regularly, work on small projects, and use online resources and SQL platforms for hands-on experience. Adjust the plan based on your progress and interests, and you'll be well on your way to becoming proficient in SQL! Share with credits: https://t.me/CODE_Init Hope it helps :)

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