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________ subtracts two dates to return the difference in milliseconds.

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________ subtracts two dates to return the difference in milliseconds.

(a) $rem

(b) $mod

(c) $div

(d) $subtract

I had been asked this question in homework.

Enquiry is from Pipeline Limits in section Aggregation Concepts and Aggregation Mechanics of MongoDB

1 Answer

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Best answer
Correct option is (a) $rem

Explanation: The $subtract expression has the following syntax: { $subtract: [ <expression1>, <expression2> ] }.

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