how to remove duplicates without using duplicate stage
Data Engineer Interview Questions
21,096 data engineer interview questions shared by candidates
What is a failure you’ve learned from?
How does elasticsearch work internally?
Asked me about Machine Learning?
How do you double the revenue of a restaurant?
nda
Why are you looking for a new opportunity?
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 )]
How can we scale a banking system beyond RDBS replication capacity?
based on projects (what kind of challenges were faced and how did you resolve it)
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