Consider the following document:> db.

MongoDB C100DBA Question Answer

Consider the following document:

> db.c.find()

{ " _id " : 12, b : [ 3, 5, 7, 2, 1, -4, 3, 12 ] }

Which of the following queries on the " c " collection will return only the first five elements of the array in the " b "

field? E.g.,

Document you want returned by your query:

{ " _id " : 12, " b " : [ 3, 5, 7, 2, 1 ] >

db.c.find( { > , { b : { $slice : [ 0 , 5 ] } } )

db.c.find( { b : [ 0 , 5 ] > )

db.c.find( { > , { b : { $substr[ 0 , 5 ] > > )

db.c.find( { > , { b : [ 0, 1, 2, 3, 4, 5 ] > )

db.c.find( { > , { b : [ 0 , 5 ] > )

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