Introduction

  • 1 minute

Learning how to query data effectively is a fundamental skill for anyone working with databases.
In this tutorial, you gain hands-on experience with the SELECT statement in PostgreSQL, a powerful tool for retrieving and analyzing data.
By learning these foundational querying techniques, you're equipped to access specific information, generate meaningful insights, and lay the groundwork for more advanced database operations.
Whether you're a beginner or looking to sharpen your skills, this tutorial helps you build confidence in working with SQL queries.

What will you be doing?

In this tutorial, you explore the fundamentals of querying data using the SELECT statement in PostgreSQL. You learn how to:

  • Retrieve all columns from a table
  • Query specific columns to focus on relevant data
  • Use the DISTINCT keyword to eliminate duplicate values
  • Create calculated columns to derive new insights from your data
  • Concatenate columns to combine data into a single output

What is the main goal?

By the end of this tutorial, you'll be able to confidently use the SELECT command to retrieve and query data from a PostgreSQL database, laying the foundation for more advanced querying techniques.