They asked me a question on Least common ancestor with some minor modification.
Oracle Interview Questions
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Completely unrelated to subject area.
They asked me about SQL. Its my weakness.
Write a function to find the maximum depth of a general tree with any number of branches
Oracle questions
Describe the types of algorithms you've worked with. This was followed up by specific questions about a particular algorithm I mentioned.
What is your biggest weakness?
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?
You have experience in performance tuning?
Basic architecture, day to day activities, performance tuning,backup recovery, expdp etc
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