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Data engineering interview questions
How do these policies affect query performance?
How do tumbling window triggers ensure data consistency in batch processing?
How do you convert 3 rows into one column in SQL?
How do you count occurrences in a column in SQL?
How do you create a new table with the same structure as an existing one?
How do you design a scalable and fault-tolerant data warehouse on a cloud platform?
How do you find duplicates in a table based on one or two columns?
How do you get new records from a table/file without a modified column? Discuss approaches like hashing or row comparison.
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