Điều chỉnh SQL để sử dụng ngay tại nơi làm việc

You will be able to extract the data you want directly without the help of a developer. We will provide everything you need for analysis, from simple queries to joins. Start learning SQL with a direct lecture from the author of the book <Planner's SQL>.

Author's direct lecture for the SQL200je (PL/SQL) book, published by 정보문화사! This PL/SQL course is by Oracle instructor Yooyeonsu, who has trained countless DBAs and PL/SQL developers. After taking the lecture, you will clearly feel the difference between before and after using PL/SQL.

This course will solidify the basics of SQL through various problems that can be encountered in the actual IT industry. Solve the problem-solving quests, take the first step toward data analysis, and strengthen your SQL skills that can be applied in real life!

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

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

This is a course on making practical Unity games with a database. Challenging areas can be covered in this course.

This course is designed to help you learn the core functions of FastAPI, as well as the entire process of web service development. Through this course, we will help you become a FastAPI expert developer needed in the field.

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

Let's learn together about Columnar Storage, which allows you to conveniently handle both structured and unstructured data provided by GCP and allows for a free table format, and BigQuery, a universal database.

Let's build a project using Ktor, the most popular project in Kotlin, and master Kotlin! 😆

This course is designed to help students learn and practice PHP programming concepts. It is designed for students who want to learn PHP programming concepts.

mongoDB, NoSQL You hear a lot these days, but is it still an unfamiliar database? Aren't you using it like a relational database (RDS/SQL)? No matter how good the technology is, if it's not used correctly, it will have the opposite effect. That's why we often see cases of failure in using MongoDB. This lecture will teach you everything from basic concepts to practical know-how so that you can use MongoDB as MongoDB-like as possible.

We enable you to fundamentally understand and resolve issues where Hangeul appears broken on web pages or in databases, or files contain unknown characters.

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

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.

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

I've created a 'Redis Introduction/Practical (Query Performance Optimization)' course that non-majors can easily understand and immediately apply in practice!