POSTGRESQL DATABASE INTERVIEW QUESTIONS

What is the basic SQL execution order in PostgreSQL?

Why is the FROM clause executed first in PostgreSQL?

Can you explain the role of the WHERE clause in PostgreSQL's execution order?

How does the GROUP BY clause affect the execution order in PostgreSQL?

What is the significance of the HAVING clause in PostgreSQL's execution order?

Explain the importance of the ORDER BY clause in PostgreSQL.

How does the execution order in PostgreSQL handle subqueries in the SELECT clause?

What is the impact of the LIMIT clause on PostgreSQL's execution order?

Can you describe how PostgreSQL optimizes query execution order for complex queries?

In PostgreSQL, how does the execution order change when dealing with window functions?