MongoDB Exam C100DBA Topic 1 Question 11 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 11
Topic #: 1

Consider that the posts collection contains an array called ratings which contains ratings given to the post by various users in the following format:

Which of the following query will return all the documents where the ratings array contains elements that in some combination satisfy the query conditions?

Adb.inventory.find( { ratings: { $elemMatch: { $gte: 3, $lte: 6 } } } )

Bdb.inventory.find( { ratings: { $elemMatch: { $gt: 3, $lt: 6 }

Cdb.inventory.find( { ratings: { ratings.$: { $gt: 5, $lt: 9 } } } )

Ddb.inventory.find( { ratings: { ratings: { $gt: 5, $lt: 9 } } } )

Show Suggested Answer

Suggested Answer: D

by Linn at May 05, 2022, 07:58 PM

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