The Easiest Concurrency Problem - Race Condition

You can learn about the core functions of MySQL and how to effectively use them in your work. You can also gain a new understanding of important parts that you have been using for a long time and have overlooked, and gain in-depth database knowledge.

Learn cache strategies that can be utilized in large-scale systems by building them directly with Spring Boot. Understand problem situations like Cache Penetration, Cache Stampede, and Hot Key, and implement resolution strategies.

Learn practical strategies for designing efficient and scalable database structures that accurately reflect the complex requirements of real-world scenarios.

You can learn about the core functions of MySQL and how to effectively use them in your work. You can also gain a new understanding of important parts that you have been using for a long time and have overlooked, and gain in-depth database knowledge.

Learn common components of global-scale services through popular papers, books, and articles.

Have you ever wondered why we use these techniques while watching the Clone Coding lecture? Let me give you a big picture of backend development!

Learning about various communication techniques and understanding their differences helps you develop the ability to select and implement the most appropriate communication method.

A Java advanced project course for beginner developers who want to develop practical skills! We'll build a console-based kiosk ordering system together using Spring Core, JdbcClient, and H2 DB.

Learn SAGA transaction management techniques for maintaining data consistency in distributed environments through hands-on practice. Configure three microservices using Spring Boot and Docker, and implement both Orchestration and Choreography patterns with Kafka and MySQL. Through this course, you can master core concepts that are immediately applicable in real-world scenarios, including distributed transaction operation principles, compensating transaction design, and failure recovery handling.

# Building an 'Intelligent Collaboration' Expert Agent Team Using Spring AI Router Pattern + RAG + MCP Beyond Single Agents to Architecture: The Definitive Guide to Router Pattern and Agent Isolation Design

Spring AI + JPA + MySQL Premium Reservation Agent Backend Development with 'Autonomous Behavior' Beyond Chatbots to Agents: The Definitive Guide to Tool Calling and Prompt Engineering

This is a course on creating a practical Unity game with a database. You can learn through lectures about aspects that are difficult to encounter.

Contains content essential for truly starting with Kubernetes (☸). 🧭 Through this course, you can most easily grasp Kubernetes' structure and begin. 🥇

💆‍♀️I didn't know there was a course that explained Docker so easily... Now I know why I use Docker!

Through this course, you can learn about Docker and set up a CI environment.

You can quickly experience the process of deploying a sample e-commerce service to AWS and continuously improving it into a robust and efficient environment.

This course teaches MS-SQL through baseball/company databases.

Building Your Own Emotional Diary Service with SpringAI + React This is the 4th project time creating together with Neo + Essential!

Learn Springboot + Flutter RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with Flutter!!

Extract and utilize data through Oracle 18c and become a database expert!