Top 50 Data Modeling Interview Questions
The most frequently asked Data Modeling questions across all roles and companies, ranked by real interview frequency. Updated daily.
Apply Type 2 SCD logic to preserve customer history while inserting changed and new warehouse dimension records.
Deloitte
Capgemini
AccentureModel product features by combining current lifecycle status, project relationships, and a derived implementation stage.
Autodesk
AirbnbIdentify Revolut merchants with high payment failure rates and report related support-resolution metrics.
RevolutDesign a tenant-isolated Mercury ledger schema and report posted account balances with transaction counts.
MercuryModel business requirements as entities and relationships, then report connected and isolated entities with PostgreSQL.
AppleDemonstrate a dimensional data model by reporting monthly TikTok product metrics with complete dimension coverage.
TikTokDesign Apple dimensions and a fact table, then summarize telemetry and current subscription status by device and region.
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Complete a take-home assessment by implementing two data-processing tasks alongside the required SQL work.
Airbnb