POSTGRESQL DATABASE INTERVIEW QUESTIONS

What is a database trigger in PostgreSQL?

How do you define a trigger in PostgreSQL?

What are the different types of triggers available in PostgreSQL?

Can you explain the difference between a BEFORE trigger and an AFTER trigger?

What is the purpose of a row-level trigger in PostgreSQL?

How can you disable a trigger temporarily in PostgreSQL?

What are the potential performance implications of using triggers in PostgreSQL?

How do you handle exceptions in a trigger function in PostgreSQL?

Can a trigger in PostgreSQL call another trigger? If so, how do you manage such situations?

What are the key considerations when designing triggers for a high-availability PostgreSQL system?