MongoDB is a popular NoSQL database system renowned for its flexibility and scalability. It uses a document-oriented model, storing data in JSON-like BSON format, allowing for dynamic schemas and easy data manipulation. MongoDB's distributed architecture supports horizontal scaling, ensuring high availability and performance. It's widely utilized for applications requiring real-time data access and complex data structures. Its features include automatic sharding, replication, and support for geospatial data, making it a versatile choice for a broad range of industries, from e-commerce and social media to IoT and big data analytics.
1. What type of database is MongoDB?
Answer:Document store
2. Which of the following data model does MongoDB use?
Answer:Document
3. What does BSON stand for in the context of MongoDB?
Answer:Binary JSON
4. MongoDB stores data in collections. What is a collection similar to in relational databases?
Answer:Tables
5. What is the primary key in MongoDB called?
Answer:_id Field
6. Which language is commonly used to query MongoDB?
Answer:JSON
7. What does ACID stand for in the context of database transactions?