Does mongodb need a lot of ram?

5

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how to do transactions/locking in mongodb?

5

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Which all languages can be used with mongodb?

5

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Explain replica set?

5

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what is the role of profiler in mongodb?

5

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If you remove a document from database, does mongodb remove it from disk?

5

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Why 32 bit version of mongodb are not preferred ?

5

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In mongodb how do you use $set to update a nested value?

5

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What are the different types of nosql databases? Give some examples.

1

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What do you mean by a replica set in mongodb?

1

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

1

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List some alternatives to mongodb?

1

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List the important features of mongodb.

1

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What is the use of a namespace in mongodb?

1

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What do you understand by a profiler with reference to mongodb?

1

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