Learn SQL from zero

Get a clear, practical understanding of SQL from zero

What you'll cover

1. 1
   What is a Database?

   Understand the basic concept of a database and why we use them.
2. 2
   Introduction to SQL

   Learn what SQL is and its role in managing databases.
3. 3
   SELECT: Retrieving Data

   Learn how to select and view data from a single table.
4. 4
   Filtering with WHERE

   Understand how to filter rows based on specific conditions.
5. 5
   Sorting with ORDER BY

   Learn how to sort the results of your queries.
6. 6
   Basic Aggregations (COUNT, SUM, AVG)

   Discover how to perform simple calculations on your data.
7. 7
   Putting It All Together

   Practice combining SELECT, WHERE, and ORDER BY to answer real questions.