What does ORDER BY do in a MySQL query?
Can you sort data using ORDER BY in both ascending and descending order? Provide an example.
How does ORDER BY handle NULL values?
What happens when you use ORDER BY with multiple columns? Give an example.
Explain the impact of using ORDER BY on query performance.
Is it possible to use ORDER BY with expressions or functions? Provide an example.
How does MySQL handle ORDER BY when used with grouping functions?
Discuss the role of collation in ORDER BY operations.
Can ORDER BY be used in subqueries, and what limitations apply?
You may encounter a question like this in a MySQL certification exam: "Describe how MySQL processes a query with a JOIN operation followed by an ORDER BY clause. What are the optimization considerations?"