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Problems Questions Roles Skills Interview Contest Leaderboard

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Scd

Scd

4 practice items · needed by 1 role

Easy 1Medium 2Hard 1

Practice questions

SCD type that overwriteseasy
Tracking customer address historymedium
Keeping just the previous valuemedium
Double counting in an SCD2 joinhard

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Data Engineer4

Related skills

Data Modeling SQL Performance Sorting Joins Data Quality Window Functions Scheduling Aggregation Sliding Window Governance Null Handling

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