MediumApplyDatabase Designopen_ended

What is optimistic locking and when does it fail?

Apply — Tests ability to use knowledge in practical scenarios.

Want to see the correct answer?

Get the answer with a detailed explanation, plus practice 21+ more Database Design questions with adaptive quizzes and timed interviews.

See the Answer on Guru Sishya →

This question is from the Database Design topic (System Design).

Learn Database Design→Browse All Questions

More Database Design Questions

What does ACID stand for?

Easy

Which type of index is best for a query with a range condition like WHERE age BETWEEN 20 AND 30?

Medium-Easy

The left-prefix rule for composite indexes means a composite index on (a, b, c) can serve a query filtering only on column b.

Medium-Easy

What is denormalization and when is it appropriate?

Medium-Easy

True or False: A foreign key constraint automatically creates an index on the referencing column.

Medium-Easy