SQL FUNDAMENTALS • LESSON 03

WHERE Clause

Learn how to filter database records using SQL conditions.

🤔 THE QUESTION

How can we organize employees from the highest salary to the lowest?

💡 WHAT IS IT?

ORDER BY sorts the rows returned by a query according to one or more columns.

🎯 WHAT IS IT USED FOR?

It is commonly used for reports, leaderboards, highest-value analysis, newest records, and any result where ordering matters.

💻 EXAMPLE
SELECT *
FROM employees
ORDER BY salary DESC;

Mission Brief

Practice filtering production-style data using the SQL WHERE clause.

Objectives

  • WHERE
  • Comparison Operators
  • Filtering
  • Conditions