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Mutating Table Errors in Triggers

SonsoftMediumSQL & Data Manipulation00:00
Sonsoft
Your interviewer · Software Engineer
In session
Interviewer

Welcome to your interview for the Software Engineer role at Sonsoft.

The question is on your right: Mutating Table Errors in Triggers. Take a moment with it first.

Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen. You have three graded attempts to score 7/10 or better.

Only Submit answer is graded - discussion is free practice.

Problem

What are mutating table errors in Oracle triggers, and how do you resolve or avoid them in Sonsoft systems?