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__________ references the root document, i.e. the top-level document, currently being processed in the aggregation pipeline stage.

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__________ references the root document, i.e. the top-level document, currently being processed in the aggregation pipeline stage.

(a) CURRENT

(b) ROOT

(c) PRUNE

(d) All of the mentioned

The question was asked in class test.

Origin of the question is SQL to Aggregation Mapping Chart topic in division Aggregation Concepts and Aggregation Mechanics of MongoDB

1 Answer

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Best answer
Right option is (b) ROOT

For explanation I would say: CURRENT is modifiable.

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