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Introduction to SQL

This course is perfect for beginners ready to explore the world of SQL. Whether you're just starting out in database management or aiming to use SQL for your application development projects, this course covers the essentials. You'll quickly learn how to leverage the full potential of SQL, from querying and managing data to seamlessly integrating it into real-world applications. By the end of the course, you'll have the confidence and skills to solve practical problems with SQL and enhance your development process.

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Introduction to SQL with unittests

Introduction to SQL with output checkers

Intermediate SQL

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.

Intermediate SQL with output checkers

Advanced Techniques in SQL

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.

Relational Database and Normalization

This course delves into the theory behind relational databases. You'll learn what they are and see how they differ from non-relational databases. Throughout the course, we'll walk you through the ins and outs of database design and familiarize you with various types of relationships. Additionally, you'll explore the concepts of normalization and normal forms, equipping you with the knowledge to craft efficient and optimized databases.

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TEST SQL COURSE E2E

This course is for you if you are new to SQL, you want to quickly learn how to get the most out of SQL and you want to learn how to use SQL in your own application development.

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Data Manipulation using SQL

If you're an expert in creating queries for a single table, improve your knowledge! Let's start accessing and manipulating two and more tables. During the course, you'll learn how to work with special statements, what is the join and how to use it, and also will practice a lot!

Introduction to Data Engineering with Azure

Master the essentials of data engineering with Microsoft Azure in this comprehensive course. Starting with foundational concepts like cloud computing, resource management, and storage solutions, you'll progress to hands-on training in Azure Data Factory (ADF), mastering ETL/ELT workflows, and advanced data transformations. Through practical examples and real-world problem-solving, you'll gain the skills to design, implement, and optimize scalable data solutions using Azure.

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Frontend Development Foundations

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Full Stack Web Development

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Mastering Data Visualization

SQL from Zero to Hero

С++ Essentials

Python from Zero to Hero

Machine Learning Mastery

Python Beyond Intermediate

Java Essentials

Game Development with Unity

Become a Django Developer

Flask for Dummies

Frontend Development Foundations

Web Developer from Zero to Hero

Preparation for Data Science

Deep Learning Odyssey

Web Development with C#

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Skilled Python BackEnd Developer

Test Recalculate

Excel Essentials

Full-Stack .NET Developer Journey

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Data Analyst Foundation