POSTGRESQL DATABASE INTERVIEW QUESTIONS

What is a stored procedure in PostgreSQL?

How do stored procedures improve database performance?

Can you explain the difference between a stored procedure and a function in PostgreSQL?

What are the benefits of using stored procedures in PostgreSQL for maintaining data integrity?

How do you handle errors in PostgreSQL stored procedures?

What is the difference between VOLATILE, STABLE, and IMMUTABLE attributes in PostgreSQL stored procedures?

Can you describe how to use stored procedures for implementing complex business logic involving transactions?

What are the security implications of using stored procedures in PostgreSQL?

How can you optimize the performance of a PostgreSQL stored procedure?

Explain how to manage and version control PostgreSQL stored procedures in a development environment.

What are PostgreSQL stored procedures, and how do they differ from functions?

What tools can you use to debug PostgreSQL stored procedures?

How do you enable and use the PL/pgSQL debugger in pgAdmin?

How can RAISE statements be used for debugging in stored procedures?

What are common issues to watch for when debugging stored procedures, and how can they be resolved?

How do you handle exceptions in a stored procedure in PostgreSQL?

What are the different types of exceptions that can be handled in PostgreSQL?

How can you log exceptions in PostgreSQL stored procedures?

How can you re-raise exceptions after handling them in PostgreSQL?

How can you handle multiple types of exceptions in a single stored procedure in PostgreSQL?