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MongoDB
MongoDB is a popular NoSQL document database that stores data in flexible JSON-like documents. It is often used when applications need schema flexibility or document-based data modeling.
nosqldatabasedocuments
Key Concepts
MongoDB stores data as documents instead of relational rows.
Schema flexibility allows changing document structure over time.
Collections are groups of related documents.
Indexes are important for query performance in MongoDB too.
Common Interview Questions
What is MongoDB?
How is MongoDB different from PostgreSQL or MySQL?
When would you choose a document database?
Use Case
Use MongoDB when you need flexible document storage and schema evolution.
Common Use Cases
Building applications with flexible schemas.
Storing JSON-like application data.
Supporting document-oriented backend systems.
Pros
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Cons
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