3-Hour Complete Course: Minimal SQL for Non-Developers

The ultimate productivity tool, Notion! How to use it properly!

This is a lecture that helps new employees and prospective new hires by organizing essential manners for greetings, emails, phone calls, reporting, messaging, and more within one hour, enabling immediate application in practical work situations.

Essential concepts every marketer must know - complete guide! Plus insider tips for building experience and skills even outside of companies!

A 2-hour data literacy introductory course for marketers who give up on math and whose minds go blank when they see numbers

The Real SEO Fundamentals to Latest AI Applications That Marketers Need to Know

Even beginners can create decent-looking images with minimal Figma features and design formulas Plus advertising planning methods and hands-on image creation practice

You can establish both the direction of your personal statement and the framework of your portfolio at the same time.

This is a conference for POs/PMs and planners who view products from the customer's perspective and connect them to business.

By looking at examples of documents in each field that the instructor has processed, you will practice developing a perspective on viewing documents.

A class on analyzing customer/sales data with Excel, even without R or Python!

Those who are already good at using Excel can work more effectively, efficiently, and in less time by using Google Spreadsheets.

Learn the essential fundamentals of SQL and databases needed for practical work. Not only developers, but also product managers and data analysts can learn SQL in depth.

If you are already a developer or want to become a developer but did not major in computer science and are weak in databases, gain lifelong knowledge with this one course!

A beginner's guide to SQL coding! We'll teach you the secrets of writing, interpreting, and validating SQL.

SQL is an indispensable tool in data analysis. What is it and why is it important? If you are a beginner, check it out here!

It contains only the essentials required to obtain the SQLD certification. This is a learning process that will help you acquire the SQLD certification by solving various examples directly, starting from setting up the development environment.

This is a special lecture that can lay the theoretical foundation to simultaneously prepare for the Microsoft AZ-900 certification, and as the latest content reflecting the scope of questions as of May 2025, by providing content related to core data concepts, Azure's relational data, Azure's non-relational data, and Azure's analytical workloads in a form combining theory and practice, it can be utilized as a meaningful educational opportunity to not only obtain the certification but also take the first step towards becoming a data professional.

This is a basic/introductory course on digital marketing. It covers how to design digital marketing based on data and various practical cases. It contains stories and content that I want to share from my 14 years of experience in various fields of marketing, from digital marketing agencies to in-house marketers at large corporations. It is recommended for those who want to understand digital marketing in general.

Learn how to use Google Spreadsheets effectively in your work.

A revolution in work automation! The meeting of Chat GPT and Google Spreadsheet!

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 aimed at obtaining the nationally recognized SQLD certification, and SQLD refers to developers who can write accurate SQL for manipulating and extracting data while developing application software based on database and data modeling knowledge.

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!

This course will help you strengthen the core of your business marketing by teaching you how to leverage data to find marketing insights.

Data Analysis that Determines Online MD Performance! Learn essential data analysis and strategy formulation techniques necessary for MDs to maximize sales and profit in the e-commerce market.

Make the most of relational database systems!

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 teaches MS-SQL through baseball/company databases.

Let's understand data analysis suitable for advanced retail business and learn how to utilize tools utilized in the industry!

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

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.