Databases and Collections MCQ , MongoDB Structure Practice Questions

Direction: Choose the correct option

What is a database in MongoDB?

A. Similar to a table in SQL

B. A key-value store

C. A container for collections

D. A single document

Direction: Choose the correct option

What is a collection in MongoDB?

A. A schema definition

B. A group of related documents

C. An equivalent of a SQL table

D. A join operation

Direction: Choose the correct option

Which command switches to or creates a database named 'school'?

A. db = 'school'

B. CREATE DATABASE school;

C. switch school

D. use school

Direction: Choose the correct option

How do you view all databases in the MongoDB shell?

A. db.show()

B. show dbs

C. list databases

D. SHOW DATABASES

Direction: Choose the correct option

What happens when you insert a document into a collection that doesn't exist?

A. The document is ignored

B. An error is thrown

C. The collection is automatically created

D. The operation fails

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