Which of the following statement is equivalent to “$$CURRENT.”?(a) “$%”(b) “%”(c) “$$”(d) “$”This question was addressed to me during an interview.The above asked question is from Aggregation Mechanics topic in portion Aggregation Concepts and Aggregation Mechanics of MongoDB

Which of the following statement is equivalent to “$$CURRENT.”?(a)

1.	Which of the following statement is equivalent to “$$CURRENT.”?(a) “$%”(b) “%”(c) “$$”(d) “$”This question was addressed to me during an interview.The above asked question is from Aggregation Mechanics topic in portion Aggregation Concepts and Aggregation Mechanics of MongoDB
Answer» The correct CHOICE is (d) “$” To explain I would SAY: CURRENT is a system variable that defaults to the root of the current OBJECT in the most STAGES, unless stated otherwise in specific stages.

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Which of the following statement is equivalent to “$$CURRENT.”?(a) “$%”(b) “%”(c) “$$”(d) “$”This question was addressed to me during an interview.The above asked question is from Aggregation Mechanics topic in portion Aggregation Concepts and Aggregation Mechanics of MongoDB

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