Which of these queries can be used If you want to find all MongoDB users who do not have the username “John”?
a. db.users.find({"username" : {"$ne" : "John"}}) b. db.users.find({"username" : {"$not" : "John"}})
c. db.users.find({"username" : {"$else" : "John"}})
d. db.users.find({"username" : {"$except" : "John"}})Skills Covered
- MongoDB
- Queries
Assessing
- Fundamentals
Question Type
- MCQs (Single Correct)
