Modern SQL Mastery Beginner to Expert with PostgreSQL

Master SQL queries, joins, CTEs, window functions, and build real database projects, joins, CTEs, Hands-on SQL training
What you'll learn
✓ Understand database fundamentals including tables, schemas, rows, and columns
✓ Learn all SQL command types such as DDL, DML, DCL, and TCL
✓ Perform data analysis using aggregate functions and GROUP BY with HAVING
✓ Write efficient queries using SELECT, WHERE, ORDER BY, LIMIT, and FETCH
✓ Master all types of SQL joins including INNER, LEFT, RIGHT, FULL, and CROSS
✓ Use subqueries, Common Table Expressions (CTEs), and window functions
✓ Create views, materialized views, stored procedures, and functions
✓ Build an end-to-end SQL project using real retail and e-commerce datasets
Requirements
● No prior SQL or database knowledge is required
● A basic understanding of computers and files is enough
● Willingness to install PostgreSQL and DBeaver (guided step-by-step)
● No programming background is required
● Beginner-friendly explanations with practical examples
Description
This course is a complete and practical guide to mastering Modern SQL using PostgreSQL, designed to take you from absolute beginner to advanced level with confidence.
Unlike traditional SQL tutorials that focus only on syntax, this course emphasizes hands-on learning. You will build real databases, write real queries, and understand how SQL is used in real-world data analytics and engineering scenarios.
By the end of this course, you will be able to confidently work with SQL in professional environments and solve real business problems using data.
What You Will Learn
• Understand databases, schemas, tables, rows, and columns
• Learn SQL command categories including DDL, DML, DCL, and TCL
• Write powerful queries using SELECT, WHERE, ORDER BY, LIMIT, and FETCH
• Perform data analysis using aggregate functions like COUNT, SUM, AVG, MIN, and MAX
• Work with GROUP BY and HAVING for analytical queries
• Master all types of JOINs including INNER, LEFT, RIGHT, FULL, and CROSS
• Write efficient subqueries and Common Table Expressions (CTEs)
• Use window functions for advanced analytics
• Create and manage views and materialized views
• Understand stored procedures, functions, and exception handling
• Build an end-to-end SQL project using retail and e-commerce datasets
Why This Course Is Different
• Uses PostgreSQL, one of the most powerful and widely used open-source databases
• Focuses on real-world SQL usage, not just theory
• Includes a complete SQL project to simulate real industry scenarios
• Ideal for learners who want practical, job-ready SQL skills
Who this course is for
■ Beginners who want to learn SQL from scratch
■ Students preparing for data analyst or data engineer roles
■ Professionals who want to improve their SQL skills for work
■ Data analysts looking to strengthen real-world query writing
■ Data engineers working with PostgreSQL databases
■ Developers who want better database and SQL understanding
■ Anyone preparing for SQL interviews or technical assessments
■ Learners who prefer hands-on, project-based SQL learning
Homepage

https://www.udemy.com/course/modern-sql-mastery-beginner-to-expert-with-postgresql/

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