Udemy – SQL Query Fundamentals with PostgreSQL 2025-1

Udemy – SQL Query Fundamentals with PostgreSQL 2025-1 Downloadly IRSpace

Aug 16, 2025 - 07:10 Updated: Aug 17, 2025 - 19:47

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Udemy – SQL Query Fundamentals with PostgreSQL 2025-1

SQL Query Fundamentals with PostgreSQL. This course teaches the fundamental concepts of the SQL language using PostgreSQL, one of the most popular and powerful relational database management systems. Suitable for beginners and developers looking to improve their SQL skills, this course covers the basics of database design, writing effective queries, and managing data. Participants will learn how to create databases and tables, insert, update, and delete data, and work with advanced queries such as JOINs, filters, and aggregations. It also covers concepts such as defining constraints, relationships between tables, transactions, and performance optimization. With practical examples and best practices, this course provides the skills needed to work with data in real-world environments. By the end of the course, learners will be able to write effective queries and manage relational databases.

What you will learn:

Understand SQL basics – Learn database concepts, PostgreSQL setup, and SQL syntax.
Create and manage databases – define tables, relationships, primary/foreign keys, and constraints.
Data manipulation – performing INSERT, UPDATE, DELETE and bulk data operations.
Querying and filtering data – using SELECT, WHERE, ORDER BY, LIMIT, OFFSET, and DISTINCT.
Working with Joins – Learn INNER JOIN, LEFT JOIN, and FULL JOIN to connect tables.
Aggregate and Group Data – Using COUNT, SUM, AVG, MIN, MAX, GROUP BY, and HAVING.

Who is this course suitable for?

Beginners and data enthusiasts – no prior SQL experience required!
Software developers and engineers – looking to integrate PostgreSQL into applications.
Data analysts and Business Intelligence professionals – looking to improve their SQL skills.
Students and career changers – entering tech and data-related careers.
Anyone who works with databases – and wants to master the basics of PostgreSQL.