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Which method is used to update an existing document in MongoDB?
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In MongoDB, a document is created using the insertOne() or insertMany() methods.
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Which MongoDB method removes a specific document from a collection?
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Which MongoDB method is used to delete multiple documents at once?
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The deleteMany() method in MongoDB removes only the first matching document.
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Which MongoDB method is used to retrieve a single document from a collection?
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The updateOne() method in MongoDB can update multiple documents at once.
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Which method is used to insert a document into a MongoDB collection?
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person = {'name': 'Ramesh', 'age': 22, 'gender': 'Male'}
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What is the output of the following program?
tuple1, tuple2 = (123,'xyz'),(456,'abc')
print cmp(tuple2,tuple1)
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