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Which of the operator is used to access the query field of documents within system.profile?

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Which of the operator is used to access the query field of documents within system.profile?

(a) $select

(b) $retrieve

(c) $query

(d) None of the mentioned

I have been asked this question during a job interview.

The origin of the question is Optimization Strategies topic in division Monitoring MongoDB and Optimization Strategies for MongoDB of MongoDB

1 Answer

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Best answer
Right answer is (c) $query

Best explanation: You can view the output of the profiler in the system.profile collection of your database by issuing the show profile command.

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