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You cannot create a TTL index on a ________ collection.

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You cannot create a TTL index on a ________ collection.

(a) Sharded

(b) Capped

(c) Primary

(d) None of the mentioned

The question was asked in semester exam.

Question is taken from Data from Collections in section Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

1 Answer

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Best answer
Correct answer is (b) Capped

Best explanation: MongoDB cannot remove documents from a capped collection.

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