If you are looking for a course with an ideal balance of theory and practice, then this video tutorial is exactly what you need! This manual offers 10 different challenges for you to improve your data processing skills and learn how to use SQL queries effectively. The guide is intended for those who already possess a basic understanding of SQL and familiar with the fundamental principles of database operation.

Watch 10 video lectures of this course to discover all the secrets of working with SQL queries and know which mistakes to avoid. Materials of the tutorial provide a decent base for you to acquire solid hands-on skills. Below are some of the topics you will encounter during the training:

• Performing queries with the help of WHERE, FROM, and SELECT clauses
• Finding the right columns and tables for any query by analyzing database schemas
• Filtering data with the help of "greater than" and "less than" signs (> and <)
• Eliminating duplicates with the help of the DISTINCT keyword
• Filtering results with the help of IN operator
• Basic subqueries and how to make them
• Filtering data by groups with the help of HAVING and GROUP BY statements
• MIN(), MAX(), AVG(), and COUNT() – basic functions and their properties

Enroll for this step-by-step course and enjoy quality learning materials that are easy to understand and follow. Created by the brightest mind of the industry, this tutorial can boast thorough and at the same time simple manner of presentation. Don’t miss this great opportunity to join the world’s best SQL professionals!