MongoDB Interview Questions

MongoDB Interview Questions

MongoDB is a document-based database created in 2007 by 10gen software. It works on the concept of collections and documents. A MongoDB server can contain multiple databases and offers high performance along with redundancy and easy scalability. Collection in MongoDB can be considered as a group of documents that can have different types of fields. The document is a set of key-value pairs having a dynamic schema i.e. common fields may hold different types of data and all documents in the same collection need not have the same structure. If you are new to MongoDB but have worked with RDBMS like SQL before, this small table will help you correlate the terminologies –

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