This course is perfect for those who already have a basic understanding of SQL and want to delve into more advanced concepts to craft more powerful queries. Throughout the course, you will become familiar with data grouping and filtering grouped data. You will also learn how to work with multiple tables simultaneously, including how to combine them. Additionally, you will explore different types of table joins and how to apply them in practice.

Pandas is an extremely user-friendly library for data analysis. It's also designed to handle large datasets, using data structures like DataFrame and Series. This makes it an invaluable tool for Data Science. In this guide, you'll get acquainted with a range of statistical functions, including how to find correlations, modes, medians, and maximum and minimum values within a dataset. You'll also learn how to handle missing values and manipulate specific values, as well as how to remove them.

Gain a solid understanding of R, one of the most widely used languages for data analysis. Explore fundamental data types and one-dimensional values, then advance to multi-dimensional structures, including matrices, data frames, and lists. Build the skills needed to apply R effectively in statistical analysis and data-driven decision-making.

Learn the essentials of HTML, the backbone of every website. Structure content with tags and attributes, build clear document layouts, and add images, links, and tables. Create accessible, user-friendly forms for capturing input and interaction. Practice crafting well-structured, functional web pages while following best practices. Start your web development journey by mastering HTML.

Learn the fundamentals of JavaScript, the backbone of dynamic web development. Discover essential concepts like syntax, variables, data types, and operators. Explore how to use conditional statements, loops, and functions to create interactive and efficient programs. Master the building blocks of JavaScript and lay the groundwork for more advanced programming skills.

Learn the fundamentals of Java and its key features in this course. By the end, you'll be able to solve simple algorithmic tasks and gain a clear understanding of how basic console Java applications operate.

Master the essentials of CSS (Cascading Style Sheets), the styling language that transforms the look and feel of web pages. Explore core concepts such as text styles, colors, spacing, the box model, Flexbox, and decorative effects. Build the skills to create visually engaging and well-structured web pages. Perfect for beginners looking to establish a solid foundation in CSS.

Unlock the full potential of Excel by learning how to use formulas and functions to simplify tasks, analyze data, and work more efficiently. You'll explore everything from basic arithmetic and conditional logic to dynamic arrays and powerful lookup tools like VLOOKUP, MATCH, and INDIRECT. With practical examples and clear explanations, you'll build a solid foundation and discover smarter ways to manage and manipulate your spreadsheets.

Power BI is an essential tool for any aspiring data analyst or business professional. Learn how to transform raw data into insightful visualizations and interactive dashboards, connect to various data sources, and create compelling reports for informed decision-making.

Explore new concepts in C#. You'll go through a variety of topics and learn how to work with object-oriented programming and more advanced data structures. This will help you build more complex, well-structured applications and prepare you for the next step—working with .NET.

Explore the essentials of GitHub, starting with understanding what GitHub is. Learn how to create your own repositories and manage remote branches. Discover how to sync changes across different environments. Dive into more advanced workflows, including pulling, pushing, and rebasing changes. Master the commands needed to efficiently collaborate with your team.

This course will give you a solid foundation to begin making applications using .NET in C#. Covering console applications, asynchronous programming, web services, database fundamentals, and ADO.NET CRUD operations, you'll gain practical skills. From creating apps and handling exceptions to optimizing database access, this course ensures a robust understanding of essential .NET development concepts.

In this course, the user will get an introduction on how to perform manual testing on primarily web applications. The skills aquired in this course can be used in automation testing as well.

Mastering Wix from concept to launch takes you through every stage of creating a professional portfolio website using Wix. This comprehensive course covers everything from starting and planning your site to designing, adding content, and enhancing with apps. You will learn how to create a stunning and functional website.

Begin an exciting journey through SQL with Advanced Techniques in SQL. Learn about the important ACID properties that help keep data accurate in database transactions. Discover advanced ways to optimize your queries to improve database performance. Explore special SQL features like window functions, triggers, Data Control Language (DCL), and NoSQL databases. This will help you handle modern database management confidently and effectively.