Introduction to MongoDB and NoSQL Quiz

What is MongoDB?

• A relational database management system

• A NoSQL database management system

• A programming language

• A data modeling technique

What is a NoSQL database?

• A database that uses SQL for querying

• A database that stores data in tables

• A database that does not use a fixed schema

• A database that only supports structured data

What is data modeling in MongoDB?

• The process of designing a database schema

• The process of querying data in MongoDB

• The process of aggregating data in MongoDB

• The process of indexing data in MongoDB

How do you query data in MongoDB?

• Using SQL queries

• Using the MongoDB Query Language (MQL)

• Using the Java programming language

• Using the NoSQL query language

What is aggregation in MongoDB?

• The process of combining multiple databases into one

• The process of querying data from multiple collections

• The process of indexing data for faster retrieval

• The process of transforming data using mathematical operations

Which of the following is a feature of MongoDB?

• ACID transactions

• Fixed schema

• Vertical scaling

• Relational data model

What is the primary language used for interacting with MongoDB?

• SQL

• Java

• Python

• JavaScript

What is the purpose of indexing in MongoDB?

• To improve query performance

• To enforce data integrity

• To store data in a structured format

• To support ACID transactions

Which of the following is a valid data type in MongoDB?

• Integer

• Float

• Boolean

• All of the above

What is the default storage engine used by MongoDB?

• InnoDB

• MyISAM

• WiredTiger

• Berkeley DB