A sales fact table is partitioned by `order_date`. A query filters `WHERE order_date = '2026-10-02'`, but it still scans hundreds of gigabytes and runs for minutes. Before touching the table, the engineer wants to confirm whether the partition filter was actually applied to the scan. How can the engineer verify this in the query plan?
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Correct answer: Run EXPLAIN, or open the plan in the query profile, and check the scan node for the partition predicates applied
Reference: https://docs.databricks.com/aws/en/optimizations/spark-ui-guide/
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Official Answer (C): Run EXPLAIN, or open the plan in the query profile, and check the scan node for the partition predicates applied
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