DBA_Quiz 1

What is the equivalent of a record in MongoDB?

• Collection

• Field

• Document

• Database

There is a collection named film in my db, which of the followings list all films which are in year 2022 and the type is ether romantic or drama.(choose all possible)

• db.film.find({year:2022,$or:[{type:'romantic'},{type:'drama'}]})

• db.film.find({year:2020,type:['romantic','drama']})

• db.film.find({year:2022,type:{'romantic','drama'}})

• db.film.find({year:2022, type:{$in:['romantic','drama']}})

What's the magic number for MongoDB?

• 8080

• 80

• 27017

• 3306

What fun command in MongoDB is used to display a list of databases?

What command turns a MongoDB database into thin air?

Which command would you use to create or switch to a database in MongoDB?

• use

• switchDatabase()

• createDatabase(database name)

• db.

Which of the following commands will display all the collections in your current database?

• list collections

• show collections

• list collection

• show collection

Which of the following is NOT a valid logical operator in MongoDB?

• $and

• $or

• $nor

• $between

What are the 2 popular choices for designing a Mongodb schema?(choose all possible)

• Embedding

• Documenting

• Referencing

• Normalizing

What type of data models in MongoDB allow applications to store related pieces of information in the same database record?

• Reference

• Embedded

• External

• Logical