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C100DBA · Question #108
C100DBA Question #108: Real Exam Question with Answer & Explanation
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Question
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?
Exhibit
Options
- 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 } } } )
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