5 Week SQL Roadmap
📅 Week 1: SQL Basics & Database Fundamentals
Estimated Time: ~12 Hours
Day 1: Introduction to Databases & SQL Server Installation
- Topics:
- What is SQL?
- Relational databases overview
- Installing MS SQL Server & SSMS
- Resources:
Day 2: SQL Data Types, Tables, and Constraints
- Topics:
- Data types in SQL Server
- Creating tables (
CREATE TABLE) - Applying constraints (
PRIMARY KEY,FOREIGN KEY,UNIQUE, etc.)
- Resources:
Day 3: Basic Queries (SELECT, WHERE, ORDER BY, GROUP BY, HAVING)
- Topics:
- Writing basic queries
- Filtering and sorting data
- Using
GROUP BYandHAVING
- Resources:
Day 4: Aggregate Functions (SUM, COUNT, AVG, MIN, MAX)
- Resources:
Day 5: Modifying Data (INSERT, UPDATE, DELETE)
- Resources:
Day 6: Views & Temporary Tables
- Resources:
Day 7: LeetCode Problems
- 📝 Solve:
- 🎥 LeetCode SQL 50 Solutions (Part 1)
📅 Week 2: Advanced Queries & Joins
Estimated Time: ~12 Hours
Day 8: SQL Joins (INNER, LEFT, RIGHT, FULL, CROSS)
- Resources:
Day 9: Subqueries & Common Table Expressions (CTEs)
- Resources:
Day 10: Window Functions (RANK(), DENSE_RANK(), ROW_NUMBER())
- Resources:
Day 11: CASE Statements & Conditional Logic
- Resources:
Day 12: Transactions & ACID Properties
- Resources:
Day 13: Error Handling with TRY...CATCH
- Resources:
Day 14: LeetCode Problems
- 📝 Solve:
- 🎥 LeetCode SQL 50 Solutions (Part 2)
📅 Week 3: Indexing & Performance Optimization (~10 Hours)
Focus: Understanding how indexes improve performance, analyzing execution plans, optimizing queries.
Day 15: Clustered vs. Non-Clustered Indexes
- Resources:
Day 16: Covering Indexes & Filtered Indexes
- Resources:
Day 17: Query Execution Plans & Performance Tuning
- Resources:
Day 18: Partitioning Tables & Query Hints
- Resources:
Day 19: Database Normalization (1NF, 2NF, 3NF, BCNF)
- Resources:
Day 20-21: LeetCode Problems
- 📝 Solve:
📅 Week 4: Stored Procedures, Triggers & Security (~12 Hours)
Focus: Writing reusable SQL code, handling automation with triggers, implementing security best practices.
Day 22: Writing Stored Procedures
Day 23: User-Defined Functions (UDFs)
- Resources:
Day 24: Triggers: AFTER & INSTEAD OF
- Resources:
Day 25: SQL Server Agent & Scheduled Jobs
- Resources:
Day 26: Security: Users, Roles, Permissions
- Resources:
Day 27-28: LeetCode Problems
- 📝 Solve:
📅 Week 5: Real-World Use Cases & More Practice (~10 Hours)
Focus: Hands-on implementation, security measures, cloud-based SQL deployment.
Day 29: Writing Efficient Queries for Large Datasets
- Resources:
Day 30: Implementing Security Best Practices
- Resources:
Day 31: Automating Database Backups
- Resources:
Day 32: Exploring Azure SQL Database
- Resources:
Day 33-35: Final LeetCode Problems
Final Summary
✅ All 50 LeetCode SQL problems included
✅ Complete roadmap for MS SQL Server
✅ Study resources for every topic (blogs, tutorials, YouTube videos)
✅ Real-world SQL optimization, security, and Azure integration