This certification validates practical skills in database management, including data preparation, analysis, governance, and communicating reliable insights. It is intended for professionals who build or operate data-driven solutions.
Given the following query: db.tests.find( { points: { $elemMatch: { $gte: 75, $lt: 80 } } } ) Which two documents from collections tests will be returned by thi...
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Get Started FreeThe zip_entries collection contains documents with population information for cities within states. Given the following sample document from this collection: {...
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Get Started FreeGiven the following match expression: {“c”: {$eq: “Green”}, “a”: {$gt: 3}} { _id: 1, p: 0.75, c: ‘Green’, a: [1,3,5,7]}, { _id: 2, p: 0.80, c: ‘Orange’, a: [1,3...
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Get Started FreeGiven the following Java code: What Java code inserts this document?
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Get Started FreeA collection has the following documents: {_id: 1, lastName: “Doe”, hobbies: “likes sports, reading, and bird watching”} {_id: 2, lastName: “Spears”, hobbies: “...
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