Enroll Course: https://www.udemy.com/course/sql-4w-challenge/

In today’s data-driven world, SQL has become an indispensable skill across virtually every profession. Whether you’re a beginner intimidated by code or looking to refine your data analysis capabilities, the ‘[데이터 분석 찍먹 코스] 나도 한다! SQL 4주 챌린지’ on Udemy offers a compelling solution.

This course, recorded from a live 4-week online session, is taught by Kim Seung-wook, a seasoned data analyst with a decade of experience working with major corporations and conducting thesis consulting. His background in business analytics and practical experience in data analysis translate into a teaching style that is both compact and highly effective, focusing on the core essentials needed for real-world application.

The ‘SQL 4-Week Challenge’ is specifically designed for beginners, aiming to build confidence and provide a structured, short-term learning path. Beyond fundamental SQL syntax, the course delves into essential data analysis terminology, effective communication with data stakeholders, common beginner pitfalls and troubleshooting techniques, and even innovative ways to leverage ChatGPT for SQL tasks and error resolution.

Throughout the four weeks, students will work with MariaDB, a free and open-source relational database management system that is fully compatible with MySQL. The curriculum progresses logically from MariaDB setup and basic data filtering and summarization to hands-on practice with public and corporate datasets. The final week culminates in creating Excel reports, including daily sales and product sales graphs and age-based aggregations, using real sales data.

Testimonials from past students highlight the course’s effectiveness: “It greatly helped me build a foundation for data analysis in practice. The instructor’s explanations flow smoothly, and the insights into the origins of function names were excellent! Highly recommended.” Another student praised its conciseness, noting, “It was great that it covered all the basic information needed before data analysis, and the quizzes helped maintain focus.” The consensus points to the instructor’s deep understanding of the tools and the distilled, practical knowledge gained from years of experience.

If you’re looking to harness the power of data but feel daunted by the starting point, this Udemy course provides a clear, supportive, and practical pathway. It’s an excellent opportunity to take your first step into the world of data analysis with confidence.

Enroll Course: https://www.udemy.com/course/sql-4w-challenge/