SQL Introduction for Non-Majors

In line with this reality, it is structured to enable more efficient and advanced production management tasks, covering everything from production system design, production planning, to production operations and control, which are the core elements of production management.

You can learn what competencies logistics personnel should possess and logistics site improvement methods for time reduction and space efficiency to become a core logistics talent. We have presented processes and systems for all areas of logistics operations, along with detailed field situations and operational plans centered on various case studies.

We will show you how to use ChatGPT prompts for task automation in the most frequently used areas in practice (files and folders, Excel, PowerPoint, Word, PDF, data analysis), through various practical examples.

Beyond simple compensation theory, you can more effectively improve payroll processes and compensation systems and apply them to your work based on a comprehensive understanding of wage systems, income tax systems from employment to retirement, and regulations related to the four major insurances.

It is systematically structured to allow for the comprehensive acquisition of everything from ensuring recruitment fairness to designing job competency-based structured interviews and the latest multi-faceted evaluation techniques, such as Behavioral Event Interviews (BEI), Presentation (PT), Group Discussion (GD), and Situational Interviews (SI).

By integrating AI and data analysis tools, we cover the entire sales pipeline process—from target company analysis and new lead generation to proposal negotiation and sustainable market expansion—with a focus on practical application. We provide next-generation sales and marketing execution strategies and frameworks that can be immediately applied in the field, drastically boosting your organization's revenue performance.

We reduce manual, simple analytical tasks and transfer an AI-based SCM decision-making system that directly leads to performance in actual logistics and production sites. We provide a practical framework that allows logistics and supply chain managers to immediately shorten decision-making time and reduce operational costs in the field.

We provide a comprehensive overview ranging from the basic concepts of additive manufacturing to Design for Additive Manufacturing (DfAM) for immediate field application, quality control, and Return on Investment (ROI) analysis. We present practical execution standards for real-world challenges, including determining build orientation, lightweight and lattice structure design, part consolidation, hybrid processes, quality verification, and ROI evaluation.

Based on an understanding of real estate finance mechanisms and tax trends, this course systematically covers the theory and practice of the entire real estate finance spectrum, ranging from housing finance and income-producing property appraisal to Project Financing (PF), the core of large-scale development projects.

It is structured to systematically master the necessary legal standards from the planning to execution stages by organically linking the three core laws—the Act on the Maintenance and Improvement of Urban Areas, the Building Act, and the Housing Act—which serve as the foundation for real estate development and renovation projects.

The course is structured to provide a systematic learning experience of the entire development process, ranging from the basic concepts of land and legal rights to the various licensing and permitting procedures that serve as key barriers to land development.

The course consists of a practical curriculum that can be immediately applied to the field, ranging from how to use the latest agent tools such as Genspark and Manus to corporate security guidelines. Through this, you can directly build an AI agent collaboration system that automates repetitive tasks such as information gathering, data analysis, and basic report writing.

This course is designed to help you master the entire process of real estate auctions, from the basics to the final distribution of proceeds, with a focus on practical application. It provides definitive practical solutions for developing independent auction analysis skills and ensuring successful, risk-free investments.

From asset management using proptech to AI-based intelligent logistics and transportation system analysis, and even profitable smart home models, we provide practical know-how to design real business revenue models using technology as a tool.

We present the optimal investment direction amidst complex economic indicators and a flood of real estate policies. Going beyond simple theory, we provide market analysis and forecasts across all sectors—from the impact of macroeconomic indicators such as GDP and inflation on real estate to land, housing, offices, and income-generating properties.

It covers 18 core themes, ranging from the basics of property law to the most challenging practical issues such as liens, statutory surface rights, and the opposing power under the Housing Lease Protection Act. It delves into the pitfalls of rights to be assumed upon sale or registrations restricting disposition—which are easy to miss due to a lack of expertise—and presents a standard model of rights analysis essential for practitioners.

This course systematically covers the fundamental principles of technology valuation and major evaluation methodologies, including the income, market, and cost approaches. In particular, it focuses on ensuring the reliability of evaluation results by providing detailed learning on core elements such as estimating technology life cycles, analyzing cash flows, and deriving discount rates and technology contribution ratios. Moving beyond theoretical understanding to include the use of web-based evaluation systems, it provides a practical guide for professionals to precisely measure the value of technology assets and immediately apply them to commercialization strategies.

We summarize the essential feasibility items that must be checked throughout the entire real estate development process, from the land acquisition stage to the final investment decision, from a practical perspective. We present methods for systematically classifying risk factors at each stage and analyzing them to diagnose the actual profitability and feasibility of the project. Through this, we focused on internalizing analytical capabilities to see through the intrinsic value of a project and derive the optimal direction for business promotion.

It provides a sharp analysis of the core changes in labor laws, focusing intensively on subcontracting structures and collective bargaining response scenarios that companies must review. By presenting specific guidelines that practitioners can apply immediately in the field, it offers optimal solutions to proactively protect management and property rights amidst an uncertain business environment.

This course covers professional quality inspection techniques to preemptively block and prevent quality issues occurring at manufacturing sites. It systematically presents core content that field practitioners must know, ranging from an overview of quality assurance to the theory and practical application of sampling inspection (KS Q ISO 2859), securing data reliability through instrumentation and Measurement System Analysis (MSA), and continuous quality improvement processes through inspection data feedback.

Starting from elementary school coding education to high school students in IT software departments, computer science college students, and job seekers from non-technical backgrounds, you can now meet the easy and fun coding lectures of Young Cody Kim, a current star instructor who has dedicated over 15 years to coding education, not only offline but also online. With Young Cody Kim, who has produced over 500 frontend, backend, full-stack, and web developers, your dream of becoming a developer will soon become reality!

Let's edit and process the countless data generated through public services to build our own database, and discover another hidden world through a series of tasks that occur in the process and by utilizing SQL.

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.

Perfect preparation for the SQLD certification, from understanding SQL to practical function application, finishing with the latest exam questions!

You will be able to extract the data you want directly without the help of a developer. We will comfortably cover everything needed for analysis, from simple queries to joins. Start learning SQL with a lecture directly from the author of the book <SQL for Product Managers>.

This is a guide course for beginners who are taking their first steps into Oracle. We will teach you the basics of user creation, table creation, and queries.

From Java basics to advanced levels and Oracle SQL, this is a backend web development series where you learn through hands-on practice with star instructor Young-Cody Kim, who makes coding easy to understand even for non-majors and beginners.

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 🚀

Make the most of relational database systems!

This course goes beyond basic CRUD-level database usage, helping you develop the PostgreSQL skills needed in the AI era from a practical, real-world perspective. Drawing on AI development experience in Silicon Valley, you’ll gradually learn how to design and use JSON, indexes, transactions, and pgvector in actual services, while gaining the skills to solve complex data structure and performance problems.

This is a course for learning MS-SQL through baseball and corporate databases.

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

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.

This is a lecture using the only domestic e-government framework and Layered Architecture, which are widely used in practice but not available in Korea. In this lecture, we will learn how to build the backend and server side of web development using the Spring Framework and the e-government standard framework.