Mongodb Basics

What is MongoDB?

• A) Relational Database Management System (RDBMS)

• B) Document-Oriented NoSQL Database

• C) Key-Value Store

• D) Graph Database

Which language is primarily used for querying MongoDB?

• A) SQL

• B) C#

• C) JavaScript

• D) Python

What does BSON stand for in MongoDB?

• A) Binary Object Notation

• B) Basic Object Serialization Notation

• C) Binary JSON

• D) Big Object Storage Notation

What is a MongoDB database?

• • A) A group of related collections.

• • B) A group of related documents.

• • C) A group of related tables.

• • D) None of the mentioned above

4. A record in MongoDB is a:

• • A) Document.

• • B) Table.

• • C) Application.

• • D) None of the mentioned above.

What type of data model does MongoDB use?

• • A) Relational.

• • B) Document-oriented.

• • C) Key-value.

• • D) Graph.

Which of the following statements about MongoDB collections is true?

• • A) Collections are equivalent to tables in relational databases.

• • B) Collections store documents with a fixed schema.

• • C) Collections can be nested within other collections.

• • D) None of the mentioned above.

What does CRUD stand for in the context of MongoDB operations?

• Create, Read, Update, Delete

• Copy, Remove, Update, Drop

• Collect, Retrieve, Unify, Deploy

• Connect, Render, Utilize, Deploy

How does MongoDB handle schema flexibility compared to traditional relational databases?

• MongoDB enforces a rigid schema

• MongoDB has a dynamic schema

• MongoDB does not support schemas

• MongoDB requires explicit schema definitions for each collection

What is the purpose of the "_id" field in MongoDB documents?

• It defines the data type of the document

• It represents the document's primary key

• It specifies the database name

• It determines the document's index