Answer / Anchal Chawdhry

MongoDB is called NoSQL because it does not use the traditional relational model and instead utilizes a document-oriented database model.

How many indexes does mongodb create by default for a new collection?

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What is mongodb automatic failover?

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Write the syntax for creating a collection and dropping a collection in mongodb.

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Is mongodb object oriented?

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Does mongodb support foreign key constraints?

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How do I show a collection in mongodb?

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Will there be journal replay programs in case of incomplete entries (if there is a failure in the middle of one)?

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Who uses mongodb?

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Can you lock more than one database at the same time in mongodb?

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How can you see the connection used by mongos?

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Whether use to safe backup log feature in mongodb?

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How to create multiple collections in mongodb?

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