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?
Basic architecture, day to day activities, performance tuning,backup recovery, expdp etc
Why Oracle and why database team?
background process and how it works for data pump
Given two tables and a query that joins them, design an optimal index strategy
Interview as cancelled due to profile mismatch
Self introduction ,basics, installation and many things about database
Implement an LRU cache (in any language)
Describe your experience or previous work with Cassandra Database
DWH theory , oracle issues and Informatica Power Center.
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