MYSQL DATABASE INTERVIEW QUESTIONS

What is the SQL execution order?

Why is it important to understand the SQL execution order?

What is the first clause to be executed in a SQL query and why?

What is the difference between the GROUP BY and ORDER BY clauses in the execution order?

How does the HAVING clause fit into the SQL execution order?

In what order are the SELECT and FROM clauses executed and why is this significant?

Describe how the ORDER BY clause is used in the SQL execution order and its impact on performance.

How does the LIMIT clause interact with other clauses in the SQL execution order?

Explain the role of the WHERE clause in the SQL execution order.

During a database certification exam, you are asked to explain the significance of the SQL execution order for optimizing queries. What would you say?