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Quiz 8 Question 12 of 20

Feature tables define primary keys so that:

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Motivation

Short Explanation and Infographic

Primary keys identify the entity for feature lookup/join — customers, SKUs, etc.

Full explanation below image

Educational infographic 1024x768 for Databricks ML: feature table primary keys. Clean lakehouse blue/orange diagram style, DBML q152.

Full Explanation

Keys (and timestamps) underpin correct feature retrieval semantics.

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Original, similar-concept practice questions — not real exam questions and not brain-dump content.

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