Cognizant DBA Oracle/SQL Server/MongoDB Interview Questions

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DBA Oracle/SQL Server/MongoDB Interview

13 Nov 2023

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I interviewed at Cognizant (Hyderābād)

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Application and Resume Review: The process often begins with the submission of your application and resume. Hiring managers or recruiters review your qualifications, skills, and experience to determine if your profile matches the requirements of the position.

Interview questions [1]

Question 1

How do you insert a document into a collection? Explain how to update a document in MongoDB. What is the $set operator used for in MongoDB updates? How do you delete documents in MongoDB? Explain the purpose of the find method in MongoDB. What is the significance of the _id field in a MongoDB document? How do you perform a case-insensitive search in MongoDB?

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DBA Oracle/SQL Server/MongoDB Interview

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DBA Oracle/SQL Server/MongoDB Interview