SQL Learning plan in 2025 👨‍💻

|-- Week 1: Introduction to SQL
|   |-- SQL Basics
|   |   |-- What is SQL?
|   |   |-- History and Evolution of SQL
|   |   |-- Relational Databases
|   |-- Setting up for SQL
|   |   |-- Installing MySQL/PostgreSQL
|   |   |-- Setting up a Database
|   |   |-- Basic SQL Syntax
|   |-- First SQL Queries
|   |   |-- SELECT Statements
|   |   |-- WHERE Clauses
|   |   |-- Basic Filtering
|
|-- Week 2: Intermediate SQL
|   |-- Advanced SELECT Queries
|   |   |-- ORDER BY
|   |   |-- LIMIT
|   |   |-- Aliases
|   |-- Joining Tables
|   |   |-- INNER JOIN
|   |   |-- LEFT JOIN
|   |   |-- RIGHT JOIN
|   |   |-- FULL OUTER JOIN
|   |-- Aggregations
|   |   |-- COUNT, SUM, AVG, MIN, MAX
|   |   |-- GROUP BY
|   |   |-- HAVING Clauses
|
|-- Week 3: Advanced SQL Techniques
|   |-- Subqueries
|   |   |-- Basic Subqueries
|   |   |-- Correlated Subqueries
|   |-- Window Functions
|   |   |-- ROW_NUMBER, RANK, DENSE_RANK
|   |   |-- NTILE, LEAD, LAG
|   |-- Advanced Joins
|   |   |-- Self Joins
|   |   |-- Cross Joins
|   |-- Data Types and Functions
|   |   |-- Date Functions
|   |   |-- String Functions
|   |   |-- Numeric Functions
|
|-- Week 4: Database Design and Normalization
|   |-- Database Design Principles
|   |   |-- ER Diagrams
|   |   |-- Relationships and Cardinality
|   |-- Normalization
|   |   |-- First Normal Form (1NF)
|   |   |-- Second Normal Form (2NF)
|   |   |-- Third Normal Form (3NF)
|   |-- Indexes and Performance Tuning
|   |   |-- Creating Indexes
|   |   |-- Understanding Execution Plans
|   |   |-- Optimizing Queries
|
|-- Week 5: Stored Procedures and Functions
|   |-- Stored Procedures
|   |   |-- Creating Stored Procedures
|   |   |-- Parameters in Stored Procedures
|   |   |-- Error Handling
|   |-- Functions
|   |   |-- Scalar Functions
|   |   |-- Table-Valued Functions
|   |   |-- System Functions
|
|-- Week 6: Transactions and Concurrency
|   |-- Transactions
|   |   |-- ACID Properties
|   |   |-- COMMIT and ROLLBACK
|   |   |-- Savepoints
|   |-- Concurrency Control
|   |   |-- Locking Mechanisms
|   |   |-- Isolation Levels
|   |   |-- Deadlocks and How to Avoid Them
|
|-- Week 7-8: Advanced SQL Topics
|   |-- Triggers
|   |   |-- Creating and Using Triggers
|   |   |-- AFTER and BEFORE Triggers
|   |   |-- INSTEAD OF Triggers
|   |-- Views
|   |   |-- Creating Views
|   |   |-- Updating Views
|   |   |-- Indexed Views
|   |-- Security
|   |   |-- User Management
|   |   |-- Roles and Permissions
|   |   |-- SQL Injection Prevention
|
|-- Week 9-11: Real-world Applications and Projects
|   |-- Capstone Project
|   |   |-- Designing a Database Schema
|   |   |-- Implementing the Schema
|   |   |-- Writing Complex Queries
|   |   |-- Optimizing and Tuning
|   |-- ETL Processes
|   |   |-- Data Extraction
|   |   |-- Data Transformation
|   |   |-- Data Loading
|   |-- Data Analysis and Reporting
|   |   |-- Creating Reports
|   |   |-- Data Visualization with SQL
|   |   |-- Integration with BI Tools
|
|-- Week 12: Post-Project Learning
|   |-- Database Administration
|   |   |-- Backup and Restore
|   |   |-- Maintenance Plans
|   |   |-- Performance Monitoring
|   |-- SQL in the Cloud
|   |   |-- AWS RDS
|   |   |-- Google Cloud SQL
|   |   |-- Azure SQL Database
|   |-- Continuing Education
|   |   |-- Advanced SQL Topics


Hope it helps :)

Microsoft System Design Interview Questions for Software Developer in 2025.

1. Design a Content Delivery Network (CDN)
2. Design a Code Collaboration Platform
3. Design a URL Shortening Service
4. Design a Traffic Control System
5. Design a Search Typeahead System
6. Design a Web Crawler
7. Design an Elevator System
8. Design a Clustered Caching System
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17. Class Diagram for a Chess Board Game

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