Question

Point out the correct statement.

(a) Capped collections automatically remove the oldest documents in the collection without requiring scripts or explicit remove operations

(b) Capped collections do not guarantee that insertion order is identical to the order on disk

(c) Capped collections does not allow updates that fit the original document size

(d) All of the mentioned

I have been asked this question by my college director while I was bunking the class.

This interesting question is from Capped Collections in division Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

Answer 1

Right option is (a) Capped collections automatically remove the oldest documents in the collection without requiring scripts or explicit remove operations

To explain I would say: Document does not change its location on disk.