Interactive SQL Tutorial 📁🔎🚀

Welcome to the Interactive SQL Tutorial! Here you can learn SQL, a powerful language for managing and querying data, through interactive lessons and challenges. Test your knowledge and build your skills.

SELECT Basics

Learn how to retrieve data from a table using the SELECT statement.

Explanation:

The SELECT statement is used to retrieve data from a database. In this example, we're selecting the firstname and lastname columns from the users table.

Challenges Completed

SELECT Basics
Filtering with WHERE
Sorting with ORDER BY
Joining Tables
Aggregation with COUNT
Aggregation with COUNT and GROUP BY
Calculating Averages with AVG
Finding Unique Values with DISTINCT
Grouping Data with GROUP BY
Filtering Groups with HAVING
Combining Tables with INNER JOIN
Using Subqueries
String Operations with LIKE
Combining Queries with UNION
Working with Dates
Advanced Averaging: Working with Dates

Dive Deeper into SQL with These Essential Books 📚

SQL Queries for Mere Mortals

A classic and highly-rated guide to writing SQL queries, focusing on clarity and practicality for beginners.

Head First SQL

A visually rich and engaging book that teaches SQL in a unique and easy-to-understand way.

Learning SQL

A comprehensive yet accessible guide to learning SQL, covering a wide range of topics from basic queries to advanced concepts.

SQL Cookbook

A problem-solving focused book that provides a vast collection of SQL recipes and solutions to common database tasks.

SQL Performance Explained

A deep dive into the internals of SQL databases and how to optimize query performance.

Seven Databases in Seven Weeks

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SQL Trivia & Did You Know?

Did you know? The first version of SQL was developed in the early 1970s at IBM!
SQL stands for Structured Query Language