Architecture and ETL process of my previous employment with an example of End to end ETL flow. Couple of questions on AWS services. Learning spirit Differences between batch processing and stream processing. Questions on Kappa architecture Many more relavent to my previous experience mentioned in CV
Data Engineer Interview Questions
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What was my previous experience.
Get rows where price decreased compared to the previous date petrol_details (pump, products, price, date)? [ (PUMP-1, Petrol, 100.05, 2025-01-01), (PUMP-1, Petrol, 98.00, 2025-01-02 ), (PUMP-1, Diesel, 90.00. 2025-01-01 ), (PUMP-1, Diesel, 95.00, 2025-01-02 ), (PUMP-2, Petrol, 101.05, 2025-01-01), (PUMP-2, Petrol, 97.99, 2025-01-02 ), (PUMP-2, Diesel, 90.05. 2025-01-01 ), (PUMP-2, Diesel, 86.00, 2025-01-02 )]
Encuentra la relación en el siguiente ejercicio 222 l 11-----11 l 101
How can we scale a banking system beyond RDBS replication capacity?
Completely into non-technical, but the round was supposed to be technical round 1
Write a function that receives int n and print 10^n
Write a function that receives byte array and returns the median
How does elasticsearch work internally?
Give an example of when you have used data to improve a business process or technical system.
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