Which of the following is a NoSQL database?

The correct answer is D. MongoDB. NoSQL databases provide a flexible schema and are designed for specific data models, differing from traditional relational databases.

Data Concepts and Environments

Question

Options

APostgreSQL
BMySQL
COracle
DMongoDB

How the community answered

(35 responses)

B
3% (1)
C
3% (1)
D
94% (33)

Why each option

NoSQL databases provide a flexible schema and are designed for specific data models, differing from traditional relational databases.

APostgreSQL

PostgreSQL is a powerful open-source relational database management system (RDBMS) that uses SQL.

BMySQL

MySQL is a widely used open-source relational database management system (RDBMS) that uses SQL.

COracle

Oracle Database is a multi-model relational database management system (RDBMS) that primarily uses SQL.

DMongoDBCorrect

MongoDB is a document-oriented NoSQL database that stores data in flexible, JSON-like documents, making it a popular choice for handling semi-structured and unstructured data.

Concept tested: Database types (SQL vs. NoSQL)

Source: https://www.mongodb.com/nosql-explained

Topics

#NoSQL databases#Database types#Data storage

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