Deprecated -Subject Database Management System › MongoDB › Question #6868
Single Choice Easy

QWhich of the following is a valid MongoDB projection operator?

ID: #6868 MongoDB 122 views
Question Info
#6868Q ID
EasyDifficulty
MongoDBTopic
Start Quiz on This Topic
 Your Answer

Choose the Best Option

Click any option to instantly check if you're correct.

  • A $ ✔ ✖
  • B $ ✔ ✖
  • C # ✔ ✖
  • D @ ✔ ✖
Correct Answer

Explanation

Answer: $ Explanation: MongoDB projection operators start with the $ sign, such as $project, $slice, $elemMatch, and more.

 Continue Practice
Previous Question Next Question
 Share

Share This Question

Challenge a friend or share with your study group.

 More from This Topic

Related MCQ Questions

Which of the following method is used to create Index in MongoDB?... What type of database program is MongoDB?... Which operating systems is MongoDB available on?... Which is the method used to create Index in MongoDB?... What type of database program is MongoDB?... In MongoDB, these are used to index array data. Choose the correct option(s).... Find the command that removes the user from the current database.... Which storage engine uses an optimistic concurrency protocol that provides document-level locking?... What approach can be used to increase concurrency in MongoDB?... Which of the following languages can be used to interact with MongoDB?...