easy5 pts · first answer countsdata-warehousinglakehousepartitioning

Folders named dt=2026-10-01

Parquet files are stored in folders like s3://lake/events/dt=2026-10-01/. A query filters WHERE dt = '2026-10-01'. What does the engine do?

A.Reads every folder and filters rows afterB.Fails, because folder names cannot be columnsC.Reads only the matching folder, by partition pruningD.Reads only the first file in each folder

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Folders named dt=2026-10-01

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