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Data engineering interview questions
Explain normalization and its disadvantages.
Explain normalization in databases and its importance. Write an SQL query to handle SCD-1 or SCD-3
Explain offset management, Sync vs. Async commits, partition assignment strategies and Consumer groups, and handling backpressure in Kafka streams.
Explain peer code review and team lead review.
Explain row_number, rank, and dense_rank with examples.
Explain the Medallion Architecture (Bronze, Silver, Gold).
Explain the difference between a clustered and non-clustered index.
Explain the difference between a fact table and a dimension table.
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