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Problems Questions Drills Roles Skills Interview Contest Leaderboard

Problems Questions Drills Roles Skills Interview Contest Leaderboard

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Data Engineer
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Scd

Data Engineer

Scd questions

4 questions on Scd for data engineers, easiest first.

Easy 1

SCD type that overwriteseasy

Medium 2

Tracking customer address historymedium
Keeping just the previous valuemedium

Hard 1

Double counting in an SCD2 joinhard

More Data Engineer skills

SQL 24 Data Modeling 13 Performance 12 Spark 10 Kafka 9 Orchestration 6 Joins 6 Airflow 6 Dbt 6 Window Functions 6 File Formats 5 Streaming 5 Incremental Loads 5 Null Handling 4 Aggregation 4 Data Quality 4 Idempotency 4 Lakehouse 4

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