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PostgreSQL. Lessons for beginners

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PostgreSQL Tutorial

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PostgreSQL is an advanced relational database system.

PostgreSQL supports both relational (SQL) and non-relational (JSON) queries.

PostgreSQL is free and open-source.

Start learning PostgreSQL now ❯

Learning by Doing

In this tutorial, you get a step-by-step guide on how to install and create a PostgreSQL database. You will learn how to create a project where you can create, read, update, and delete data.

You will learn how to query, filter, and sort data from the database.

Examples in Each Chapter

In the tutorial, we will use examples to show what SQL statements return from the database:

Example

Sort the table by year:

SELECT * FROM cars
ORDER BY year;
Run Example »

PostgreSQL Exercises

Test Yourself With Exercises

Exercise:

Insert the missing part to return all the columns from the cars table:

 FROM cars;

PostgreSQL Quiz

Learn by taking a quiz! The quiz will give you a signal of how much you know about PostgreSQL.

Start PostgreSQL Quiz

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