Advanced Databases (NoSQL) | Omirzak Islam
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What is a multikey index? (Select one.)
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What happens if you set the $o stage to output to a collection that already exists?
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You have a collection that contains zip codes in the United States. Here’s a sample document from this collection:
What will the output of this aggregation pipeline be?
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Which of the following describes how the .sort() method is used? (Select one.)
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What method appends element to the array if this element doesn't exist already?
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What method does instruct the server to avoid closing a cursor automatically after a period of inactivity? (Select one)
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In mongosh, when you assign the cursor returned from the find() method to a variable using the var keyword, the cursor does not automatically iterate.
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In MongoDB, x.509 certificates can be used to enable:
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What is the purpose of the $lookup stage in MongoDB aggregation framework?
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Which command returns all of the documents in the customers collection?:
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