[The concept is easy~, the practice is intense] SQL data analysis, utilization!

Spring Boot, the starting point of Java web development! We will teach you the essentials step by step while making it yourself!

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

Introduction to front-end and web development! The starting point. Easy and quick to learn.

The flower of Java programming, object-oriented programming! Concepts and practice. We will teach you at the same time.

Introduction to Java Programming! The starting point. Easy and quick to learn.

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

Learn intermediate to advanced SQL and solve 101 real-world data analysis problems together to build solid SQL data analysis skills.

Sometimes, data processing is blocked and frustrating. If you are not a professional programmer or developer, learning unfamiliar fields such as Python or Java is not easy and there is not enough time. This is for those who only know Excel and SQL basics when it comes to frequently used things. This is the first part of the SQL query book that you can find and use when you need it.

This course provides developers/operators using Oracle with PL/SQL concepts and practical skills that can be immediately applied in the field.

Through this course, students will learn the overall concepts and flow of databases and operating systems.

[Newbies to Web Development Only] Let's Build a Spring Boot REST API Step-by-Step, the Easy Way

From Java basics to advanced concepts, and Oracle SQL too, Backend web development series with hands-on practice, taught by star instructor Young Cody Kim who explains clearly for non-majors and coding beginners

This course is a master class that systematically covers the fundamental principles and practical applications of MongoDB. Starting with core MongoDB concepts, you will systematically learn essential topics for practical work, such as database design, CRUD operations, indexing, aggregation pipelines, performance optimization, transactions, and security. It explains topics step-by-step so even beginners can understand, and you can deeply learn the working principles of MongoDB through exercises and examples. This is the best introductory and practical course for developers who want to build strong MongoDB skills for practical work.

SQLD Yellow Book 176 Problem-Solving Course for those who studied but can't solve problems. After completion, you'll go beyond passing to become an expert. SQLD All-in-One Pass!

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

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

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

This course provides a step-by-step learning path, ranging from the fundamental usage of MySQL to advanced techniques required in real-world production environments. It covers a wide range of topics, including data modeling techniques based on various case studies and practical data, evaluating the effectiveness of Foreign Key designs, analyzing Google Calendar schema DDL, and modern DDL design principles. Through this course, you will gain an in-depth understanding of how to utilize MySQL as a core system component rather than just a simple database.

By implementing various practical data analysis cases using SQL, you can simultaneously improve your data analysis and SQL utilization skills.

★.NET 8.0★ This is a basic course on Windows Desktop development using Winform. Learn how to easily do DB CRUD using EntityFrameworkCore. We will teach you the class design method based on loose coupling and the "basics" of Form UI Design. We will also provide the source code used in the course :)

If you can master DB and programming, you should be more than halfway prepared for the information processing engineer exam. Let's take a look at the DB and programming parts, which are worth 45 to 55 points in the practical exam, and pass the written exam steadily.

For those who feel overwhelmed preparing for the SQLD exam, this is a comprehensive course that analyzes the entire Norang-i scope, organizes necessary theory, conducts practice-focused classes, and solves all problems systematically. With short, concise clips and topic-based segmented structure, you can build skills that work directly in the exam room.

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.

Learn how modern data teams leverage dbt. Build maintainable analytics models and validated data pipelines hands-on. Master core concepts of analytics engineering with a practical focus. This course is for those who want to take their data career to the next level 🚀

SQLD, where do I even start? This course is for those who feel completely lost - you'll meet a transformed version of yourself after completing it. SQLD All-in-One Pass!