I was asked about clustered or non-clustered indexes.
Data Interview Questions
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Let's assume you have 100 partitions in Spark, and by mistake, you used Coalesce(200) to increase partitions to 200. What will happen?
You have a database of customer transactions and for some users you don’t have much data (1-2 transactions), and you want them to use Revolut’s services more. How would you analyse the data to do so, with such limited data on some users.
Name a non-depreciated asset.
There are elements that are not on the balance sheet but affect it, examples? why we are interested in these elements?
Model Deployment. Credit Risk(A lot of credit risk concept) Risk Modeling.
- A Bays textbook example (fair and unfair coins) - Some python simple algorithm codes and calculating the complexity of the method - Some ML questions about different methods and how the learning happens and objective functions ....
"Explain experience working with Tableau"
Nothing was unexpected
Explain Python.
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