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To get the current number of namespaces in the mongo shell, use ________________

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To get the current number of namespaces in the mongo shell, use ________________

(a) db.system.namespaces.countc()

(b) db.system.namespaces.count(*)

(c) db.system.namespaces.count()

(d) all of the mentioned

I got this question during an interview for a job.

My question is from Data Modeling Concepts in portion Data Models of MongoDB

1 Answer

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Best answer
Correct choice is (c) db.system.namespaces.count()

Easy explanation: The limit on the number of namespaces depend on the <database>.ns size.

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