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DA0-002 · Question #77
DA0-002 Question #77: Real Exam Question with Answer & Explanation
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
Which of the following is a NoSQL database?
Options
- APostgreSQL
- BMySQL
- COracle
- DMongoDB
Explanation
NoSQL databases provide a flexible schema and are designed for specific data models, differing from traditional relational databases.
Common mistakes.
- A. PostgreSQL is a powerful open-source relational database management system (RDBMS) that uses SQL.
- B. MySQL is a widely used open-source relational database management system (RDBMS) that uses SQL.
- C. Oracle Database is a multi-model relational database management system (RDBMS) that primarily uses SQL.
Concept tested. Database types (SQL vs. NoSQL)
Reference. https://www.mongodb.com/nosql-explained
Topics
#NoSQL databases#Database types#Data storage
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