Which of the following is an example of a NoSQL database?

Prepare for the Ericsson Cloud RAN Exam. Practice with flashcards and multiple-choice questions, each with hints and explanations. Master the topics and pass confidently!

MongoDB is an example of a NoSQL database because it is designed to handle large volumes of unstructured or semi-structured data. Unlike traditional relational databases that use tables with fixed schemas to organize data, MongoDB utilizes a flexible document-oriented structure that allows data to be stored in JSON-like format. This flexibility makes it easier to accommodate varying data types and allows for more scalable data architectures, which is the hallmark of NoSQL systems.

In contrast, the other options—MySQL, PostgreSQL, and SQLite—are all relational databases. These databases rely on structured query language (SQL) and enforce a predefined schema for data storage, making them less adaptable to changes in data structure compared to NoSQL databases.

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