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Which of the following collection do not support the TTL property?

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Which of the following collection do not support the TTL property?

(a) Compound indexes

(b) Primary indexes

(c) Composite indexes

(d) All of the mentioned

I have been asked this question in a national level competition.

My question is based upon Data from Collections in portion Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

1 Answer

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Best answer
Correct choice is (a) Compound indexes

Explanation: The TTL index is a single field index.

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