[CS技術面接4] 言葉が通じるデータベース

How does the internet work, and how do browsers fetch web pages? This is a core CS (computer science) lecture that organizes network concepts following the OSI 7-layer flow so you can explain this question yourself. It's structured with diagrams and flow-centered explanations to help you intuitively understand the structure, and connects concepts like the transport layer (TCP/UDP), IP addresses, NAT, and HTTPS that frequently appear in technical interviews to actual questions.

This is a core CS (computer science) course that organizes essential data structure concepts required in both practical work and interviews, centered on intuitive flow and diagrams. It covers the full range from arrays and lists to trees, graphs, and heaps, carefully selecting only the core concepts. Rather than simple enumeration, it's designed with a connected structure so that even beginners can quickly understand the overall context. The slides are organized in a study note format suitable for review, and are especially recommended for those who want a final check before interviews or to solidify their foundational concepts.

This is a core CS (computer science) course that selects only the operating system concepts frequently encountered in practical work and interviews, explaining and organizing them easily with a focus on diagrams. It's designed so that even beginners can grasp the flow and quickly continue their subsequent learning. The slides themselves are structured to serve as reviewable summary notes. This is a 'foundation-building course' that you can return to whenever your basics feel shaky.

This course carefully selects only the essential JavaScript core concepts you must know for practical work and interviews, covering everything from scope and execution context to closures, prototypes, asynchronous processing, and module systems all in one comprehensive guide. Going beyond superficial syntax explanations, it's structured to help you understand how JavaScript actually works from fundamental principles. Through examples and visual materials, even concepts that seemed difficult are explained easily, aiming for 'understanding that can be expressed in words' that you can directly utilize in interviews. If you want to systematically organize JavaScript's operating principles, start right now.

This course carefully selects only the essential Java core concepts you must know for practical work and interviews, covering everything from object-oriented programming to collections, multithreading, and modern Java all in one comprehensive package. Going beyond basic syntax, it explains advanced concepts that make the difference in interviews through diagrams and examples in an easy-to-understand way, organized with slides for quick review at a glance. If you want to systematically organize Java core concepts, start right now.

This is a core CS (computer-science) course that selects only the computer architecture concepts frequently encountered in practical work and interviews, explaining and organizing them in an easy-to-understand way with a focus on diagrams. It's designed so that even beginners can grasp the flow and quickly continue their subsequent learning. The slides themselves are structured to serve as reviewable summary notes. If you want to organize the flow of computer architecture, start right now.

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

When resumes look similar, 'differentiation' secures acceptance. For 6 weeks, learn 4 practical resume strategies directly from a backend practitioner.

I will share all the trials, errors, and know-how I experienced on my journey from being a manufacturing web developer to becoming a back-end developer at a commerce/K company portal service company. Don't you all go through the same trials and errors!

"I have a backend technical interview in a week, what should I start with?" The secret to answers that make interviewers nod in approval Master the actual answer patterns of Naver, Kakao, Coupang, and Toss successful candidates in just 3 days!

Learn winning resume principles & know-how and get resume coaching with ChatGPT.

This course carefully selects only the essential JavaScript core concepts you must know for practical work and interviews, covering everything from scope and execution context to closures, prototypes, asynchronous processing, and module systems all in one comprehensive guide. Going beyond superficial syntax explanations, it's structured to help you understand how JavaScript actually works from fundamental principles. Through examples and visual materials, even concepts that seemed difficult are explained easily, aiming for 'understanding that can be expressed in words' that you can directly utilize in interviews. If you want to systematically organize JavaScript's operating principles, start right now.

This is a core CS (computer science) course that organizes essential data structure concepts required in both practical work and interviews, centered on intuitive flow and diagrams. It covers the full range from arrays and lists to trees, graphs, and heaps, carefully selecting only the core concepts. Rather than simple enumeration, it's designed with a connected structure so that even beginners can quickly understand the overall context. The slides are organized in a study note format suitable for review, and are especially recommended for those who want a final check before interviews or to solidify their foundational concepts.

How to Handle Explosive Traffic Growth? Learn to build resilient and flexibly scalable architectures through practical design patterns based on EDA (Event-Driven Architecture) using Kafka, Spring, CDC, and Temporal. Explained clearly and simply with real-world experience from Kakao developers, making it understandable even for non-majors. A hands-on focused course covering real-time data flow, event processing, and microservice integration all at once!

This course carefully selects only the essential Java core concepts you must know for practical work and interviews, covering everything from object-oriented programming to collections, multithreading, and modern Java all in one comprehensive package. Going beyond basic syntax, it explains advanced concepts that make the difference in interviews through diagrams and examples in an easy-to-understand way, organized with slides for quick review at a glance. If you want to systematically organize Java core concepts, start right now.

The job market is also becoming increasingly polarized. Six out of ten new recruits are already mid-career recruits with 2-3 years of experience, and there are more and more companies that only conduct rolling recruitment without any open recruitment. Aren't you curious about realistic strategies to overcome the increasingly difficult employment gateway?

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

This is a core CS (computer-science) course that selects only the computer architecture concepts frequently encountered in practical work and interviews, explaining and organizing them in an easy-to-understand way with a focus on diagrams. It's designed so that even beginners can grasp the flow and quickly continue their subsequent learning. The slides themselves are structured to serve as reviewable summary notes. If you want to organize the flow of computer architecture, start right now.

This lecture is a lecture on database basics in the [Web Development Full Stack Course] lecture series for training full-stack web developers. This lecture is a process of understanding database design while analyzing Netflix and Carrot Market. It is a basic lecture where you can learn basic database design principles and SQL.

A C++ course optimized for employment that prepares you for both practical work and interviews simultaneously. An AAA game developer helps ensure your employment with interview questions from major domestic game companies and practical cases collected over 10 years.

A must-have subject for aspiring developers and those looking to get a job in big data!!

For everyone starting work in PO or PM positions from existing roles such as design, non-development majors, product planners, etc., we share fundamental know-how.

From understanding SQL to using actual functions, Complete preparation for SQLD certification with the latest past exam questions!

Introduction to SQL Data Analysis! Quick and easy to understand with practical problem solving!

Secrets of people who are good at their jobs! How should I start with SQL? It covers everything from SQL installation and basic environment configuration to simple practical exercises that can be used in real life! You can also learn basic commands step by step through practical exercises.

This is a course on creating practical Unity games with databases. You can work through the difficult-to-approach parts through the lectures.